U.S. patent application number 14/900421 was filed with the patent office on 2016-05-19 for applicator for applying a product to the eyebrows, eyelashes or the skin.
This patent application is currently assigned to L'OREAL. The applicant listed for this patent is L'OREAL. Invention is credited to Cecile CADORE, Eric CAULIER, Marcel SANCHEZ, Karen TEBOUL, Audrey THENIN.
Application Number | 20160135569 14/900421 |
Document ID | / |
Family ID | 51211276 |
Filed Date | 2016-05-19 |
United States Patent
Application |
20160135569 |
Kind Code |
A1 |
CAULIER; Eric ; et
al. |
May 19, 2016 |
APPLICATOR FOR APPLYING A PRODUCT TO THE EYEBROWS, EYELASHES OR THE
SKIN
Abstract
An applicator for applying a product, including a rod and an
application member secured to one end of the rod including:--a body
with a longitudinal axis, the applicator being designed for
applying a product to the eyelashes and/or eyebrows, the
application member including pins connected to the body, the pins
being of different lengths and the longest pin or pins being among
the three closest the distal end of the application member, or the
application member being designed for applying product to the skin
of the eyebrows, the application member including between one and
five pins extending from a lateral surface of the body, these pins
being flocked and forming an angle which is not zero with the
longitudinal axis of the body.
Inventors: |
CAULIER; Eric; (Maignelay,
FR) ; SANCHEZ; Marcel; (Aulnay Sous Bois, FR)
; THENIN; Audrey; (Meudon, FR) ; TEBOUL;
Karen; (Saint Mande, FR) ; CADORE; Cecile;
(Paris, FR) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
L'OREAL |
Paris |
|
FR |
|
|
Assignee: |
L'OREAL
Paris
FR
|
Family ID: |
51211276 |
Appl. No.: |
14/900421 |
Filed: |
June 20, 2014 |
PCT Filed: |
June 20, 2014 |
PCT NO: |
PCT/IB2014/062467 |
371 Date: |
December 21, 2015 |
Current U.S.
Class: |
401/129 ;
132/200; 132/216 |
Current CPC
Class: |
A46B 3/005 20130101;
A46B 2200/1053 20130101; A46B 9/021 20130101; A46B 2200/1046
20130101; A45D 40/265 20130101 |
International
Class: |
A45D 40/26 20060101
A45D040/26 |
Foreign Application Data
Date |
Code |
Application Number |
Jun 20, 2013 |
FR |
13 55865 |
Jun 20, 2013 |
FR |
13 55871 |
Claims
1-29. (canceled)
30. An applicator (10) for applying a product (P), comprising a
stem (11), an application member (30) which is fixed to one end of
the stem (11) and comprises: a body (32) having a longitudinal axis
(X), the applicator (10) being designed for applying a product to
the eyelashes or eyebrows, the application member comprising spikes
(34) connected to the body, the spikes being of different lengths
(1), the longest spike or spikes (34) being among the three closest
to the distal end (36) of the application member, or the applicator
(10) being designed for applying the product to the skin of the
eyebrows, the application member comprising between one and five
spikes (34) extending from a lateral surface (33) of the body (32),
these spikes (34) being flocked and forming an angle which is not
zero with the longitudinal axis (X) of the body (32).
31. An applicator (10) for applying a product to the eyelashes or
eyebrows, comprising: a stem (11), an application member (30) which
is fixed to one end of the stem and comprises: a body (32) having a
distal end (36), spikes (34) connected to the body, the spikes
being of different lengths (1), the longest spike or spikes (34)
being among the three closest to the distal end (36) of the
application member.
32. An applicator (10) for applying a product (P) to the skin of
the eyebrows, comprising a stem (11), an application member (30)
which is fixed to one end of the stem (11) and comprises: a body
(32) having a longitudinal axis (X), between one and five spikes
(34) extending from a lateral surface (33) of the body (32), these
spikes (34) being flocked and forming an angle which is not zero
with the longitudinal axis (X) of the body (32).
33. The applicator as claimed in claim 30, having a spike of
greater length which is closest to the distal end (36) via its
base.
34. The applicator as claimed in claim 30, the body (32) having an
application face (33) with a portion (38) whose width decreases in
the direction of the distal end (36), the spikes (34) projecting
from the application face (33), at least some of them being
connected to the portion (38) of decreasing width, with a
succession of at least three spikes (34) in the direction of the
width of the application face (33) and a succession of at least
three spikes (34) in the direction of its length.
35. The applicator as claimed in claim 34, comprising a succession
of a maximum of four or five spikes (34) in the direction of the
length of the application face (33) or of three to five spikes (34)
in the direction of the width of the application face (33).
36. The applicator as claimed in claim 30, the back of the
application member, opposite the application face (33) carrying the
spikes (34), being smooth.
37. The applicator as claimed in claim 30, the spikes (34) being
arranged in rows that are aligned in the direction of the length of
the application face.
38. The applicator as claimed in claim 30, the spikes being
arranged in rows that are parallel to the longitudinal axis of the
application member.
39. The applicator as claimed in claim 30, the spikes (34) being of
a longitudinal axis parallel to a same direction.
40. The applicator as claimed in claim 30, the body (32) of the
application member having a general shape flattened in a flattening
plane (F).
41. The applicator as claimed in claim 30, the application member
having a shape that is symmetrical with respect to a longitudinal
median plane (M).
42. The applicator as claimed in claim 30, the application face
(33) to which the spikes are connected being inclined with respect
to the longitudinal axis (X) of the application member (30).
43. The applicator as claimed in claim 30, within a row of spikes,
the length of the spikes increasing toward the distal end (36) of
the application member.
44. The applicator as claimed in claim 30, the or each longest
spike being connected via its base to the application face at a
position set back from the distal end (36) of the application
member.
45. The applicator as claimed in claim 30, the longest spike being
unique and having a longitudinal axis situated in a median plane of
symmetry of the application member.
46. The applicator as claimed in claim 30, the number of spikes
(34) being less than or equal to three.
47. The applicator as claimed in claim 30, the spikes (34) each
extending with their longitudinal axis (K) contained in a plane
parallel to the longitudinal axis (X) of the body (32).
48. The applicator as claimed in claim 30, the longitudinal axes
(K) of the spikes (34) extending in a median plane (M) of the
application member (30).
49. The applicator as claimed in claim 47, the longitudinal axes
(K) of the spikes (34) being parallel to the median plane (M) of
the application member (30) and being spaced apart from the latter
by a distance m of between 0.25 and 1.54 mm.
50. The applicator as claimed in claims 30, the longitudinal axes
(K) of the spikes (34) forming an angle .gamma. with the
longitudinal axis (X) of the body (32), the angle .gamma. being
between 5.degree. and 85.degree..
51. The applicator as claimed in claim 30, the body (32) having a
boss to which the spikes (34) are connected.
52. The applicator as claimed in claim 30, the lateral surface
comprising a facet (33) to which the spikes (34) are connected,
which facet (33), seen from the side, has a rectilinear profile
forming an angle .alpha. of between 5.degree. and 85.degree. with
the longitudinal axis (X) of the body (32).
53. The applicator as claimed in claim 30, the spikes (34) having,
at their distal end (44), a radius of curvature r of between 0.01
and 0.3 mm.
54. The applicator as claimed in claim 30, the center distance D
between the axes of two spikes (34) being greater than or equal to
0.5 mm.
55. The applicator as claimed in claim 30, the flocking hairs (36)
having a length of less than or equal to 0.75 mm.
56. The applicator as claimed in claim 30, the application member
(30) being fully flocked on its visible portion.
57. A packaging and application device comprising an applicator
(10) as defined in claim 30, and a container containing the product
(P) to be applied.
58. A method for making up the skin of the eyebrows, comprising the
steps of applying a product (P) to the skin in fine strokes using
the applicator (10) as defined in claim 30 in order to imitate the
presence of hairs in the area of the eyebrows.
Description
[0001] The present invention relates to an applicator for applying
a product to the eyebrows, eyelashes or the skin, in particular the
skin in the area of the eyebrows, a packaging and application
device comprising such an applicator, and a method for cosmetic
treatment.
[0002] There is a need for making up the eyelashes, particularly in
order to change their color, for example in such a way as to obtain
a result in harmony with the color of the hair.
[0003] Various applicators for applying a product to the eyebrows
have already been proposed.
[0004] The U.S. Pat. No. 8,051,860 thus discloses a device for
applying a cosmetic coloring composition in the region of the
eyebrows, comprising an endpiece impregnated with said composition.
Such a device is used in the manner of a pad.
[0005] EP 1 649 777 A2 discloses a device for packaging a product
and for applying it to the eyelashes or eyebrows, in particular
mascara, said device comprising a comb with a relatively small
number of teeth. Such a device is suitable very particularly for
making up the eyelashes at the corner of the eye.
[0006] WO 2010/007588 A2 discloses an applicator comprising teeth
that extend in different directions and that are connected to a
body of generally cylindrical shape along the longitudinal axis of
the application member. Although the application of product to the
eyelashes is envisioned, such an applicator is nevertheless more
particularly suitable for applying the product to the
eyelashes.
[0007] It is also known to use pencils, felt-tip pens or permanent
tattoos which make it possible to trace features imitating the
presence of hairs and to visually fill out the eyebrows, in
particular when these are sparse. However, these products give a
diffuse and blurred result. The felt-tip pens and pencils require
that the hairs be traced one by one, which can be tedious.
[0008] The application FR 2 564 712 describes an applicator for
applying cosmetic product, said applicator being provided with a
plurality of molded teeth extending axially from one of the ends of
the handle.
[0009] The application FR 2 814 923 discloses an applicator for
applying cosmetic product, in particular to the nails.
[0010] Moreover, the application EP 1 336 353 discloses an
applicator for applying a cosmetic product to the skin of the
eyelids, said applicator comprising at least two tips that can be
flocked, these tips being connected to an endpiece for mounting on
the stem of the applicator.
[0011] There is a need to further improve the applicators for
applying a product to the eyebrows, in particular in order to comb
the latter and make them up with precision without staining the
skin, and to provide an applicator with which it is possible to
trace fine lines imitating the hairs and to do so quickly without
staining the skin undesirably, and/or to color the existing hairs
in order in particular to visually fill out the eyebrows,
especially when the latter are somewhat sparse.
[0012] The invention aims more particularly to meet this need and
it achieves this by virtue of an applicator for applying a product,
comprising [0013] a stem, [0014] an application member which is
fixed to one end of the stem and comprises: [0015] a body having a
longitudinal axis,
[0016] the applicator being designed for applying a product to the
eyelashes and/or eyebrows, the application member comprising spikes
connected to the body, the spikes being of different lengths, the
longest spike or spikes being among the three closest to the distal
end of the application member, or
[0017] the applicator being designed for applying the product to
the skin of the eyebrows, the application member comprising between
one and five spikes extending from a lateral surface of the body,
these spikes being flocked and forming an angle which is not zero
with the longitudinal axis of the body.
[0018] By virtue of the invention, the user has available an
applicator which is very particularly suitable for precisely making
up the eyebrow fringe. The user can use the applicator to color the
eyebrows, without staining the skin.
[0019] The user also has available a means of tracing fine and
precise lines on the skin of the eyebrows in order to remedy the
absence or scarcity of hairs.
[0020] Preferably, this applicator is used with a container which
is provided with a wiping element, as explained in detail
below.
[0021] The arrangement of the spikes on the lateral surface of the
application member and their orientation relative to the
longitudinal axis of the body make it easier to wipe the applicator
so as to limit the quantity of product retained, and this makes the
applicator easy to use for reproducing the natural arrangement of
the hairs.
[0022] The term "spikes" denotes individualizable projecting
elements that are used to apply the product. The spikes are
preferably of conical shape and taper toward their distal end. The
spikes preferably have at their distal end, disregarding the
flocking, a radius of curvature of between 0.01 and 0.3 mm. The
spikes thus terminate in a fine tip, which helps produce fine and
precise lines.
[0023] In the case of applying the product to the eyelashes or
eyebrows, it is particularly advantageous that the application
member comprises a spike of greater length situated near its distal
end. This spike is preferably of a longitudinal axis situated in a
median plane of symmetry of the application member.
[0024] A longer spike, near the distal end of the application
member, is advantageous in that it provides the user both with a
spike that is well wiped and also with a reserve of product near
this spike, said reserve being composed of the drop of product that
tends to remain in the continuation of the application member after
wiping, since it is not removed by the wiping element. Such a spike
may help the user perform precise and careful making up of the
eyebrows.
[0025] In the case of application of the product to the skin of the
eyebrows, the flocking makes it possible to keep product on the
spikes after wiping, in order to obtain the tracing of fine,
precise and homogeneous lines of product.
[0026] Preferably, the spikes each extend with their longitudinal
axis contained in a plane parallel to the longitudinal axis of the
body.
[0027] The longitudinal axes of the spikes may be situated in the
median plane of the application member. The spikes are then aligned
longitudinally.
[0028] Alternatively, the longitudinal axes of the spikes are
parallel to the median plane of the application member and are
spaced apart therefrom by a distance of between 0.25 mm and 1.5
mm.
[0029] The spikes preferably occupy different axial positions on
the longitudinal axis of the body.
[0030] The spikes preferably have a length of between 2 mm and 4
mm.
[0031] The distance between the longitudinal axes of the spikes is
preferably greater than or equal to 0.5 mm Such a spacing of the
spikes permits good separation of the lines that are produced
simultaneously.
[0032] According to a first variant, the applicator can comprise a
succession of a maximum of three to five spikes, better still 4 or
5, in the direction of the length of the application face and/or of
three to five spikes in the direction of the width of the
application face. The total number of spikes carried by the
application member is thus relatively small and preferably between
8 and 15. According to a second variant, the number of spikes is
less than or equal to three, preferably equal to two or three. This
limited number of spikes makes it possible to obtain a realistic
imitation of the hairs of the eyebrows and to avoid staining the
skin and/or coloring the existing hairs within the scope of an
application to the skin of the eyebrows, and it facilitates the
management of the eyebrows and the engagement of the eyelashes
between the spikes in the case of application to the eyelashes and
eyebrows. A number of spikes strictly greater than one makes it
possible in particular to trace several lines on the skin
simultaneously and reduces the time needed for applying makeup.
[0033] The application member is preferably used with a cosmetic
composition that is more fluid than a mascara conventionally used
for making up the eyelashes of the eyelid.
[0034] The spikes are preferably of a longitudinal axis parallel to
a same direction, which is preferably not parallel and not
perpendicular to a longitudinal axis of the application member.
[0035] The longitudinal axis of the spikes preferably forms, with
the longitudinal axis of the application member, an angle that is
not a right angle, such that the spikes are oriented obliquely with
respect to the longitudinal axis of the stem, preferably by an
angle a of between 5 and 85.degree., better still between 30 and
80.degree.. The spikes are thus preferably oriented toward the
front of the applicator.
[0036] Preferably, no spike is of a longitudinal axis parallel to
the longitudinal axis of the stem. Likewise preferably, no spike is
of a longitudinal axis perpendicular to the longitudinal axis of
the stem.
[0037] It is possible for the longitudinal axis of the application
member to be coincident or not to be coincident with the
longitudinal axis of the stem.
[0038] In the case of application of the product to the eyelashes
or eyebrows, it is possible that the spikes are not flocked, since
this reduces the quantity of product retained at the end and,
hence, reduces the risk of applying product to the skin.
[0039] Within a row of spikes, in particular a central row of
spikes, preferably situated along a median plane of symmetry for
the application member, the length of the spikes can thus increase
toward the free end of the application member, preferably
increasing by at least 20%, for example going from 2.4 mm to 3 mm,
or in this case by 25%.
[0040] The applicator can comprise a spike of greater length, which
is the spike closest to the distal end via its base. This spike can
be unique, that is to say all the other spikes have a shorter
length.
[0041] The application face to which the spikes are connected is
preferably inclined with respect to the longitudinal axis of the
application member.
[0042] The spikes can be connected non-rectilinearly to this
application face, preferably leaning slightly forward when the
application member is observed in cross section in a plane parallel
to its longitudinal axis, for example in cross section in a median
plane when the application member comprises a central row extending
along this median plane.
[0043] Alternatively, the spikes are connected locally, preferably
perpendicularly, to the lateral surface of the body.
[0044] The longest spike can be connected via its base to the
application face at a position set back from the free end of the
application member, by a distance which is for example
substantially equal to the distance separating it from the
following spike within the longitudinal row that comprises the two
spikes.
[0045] Preferably, the body of the application member has an
application face to which the spikes are connected, this face
comprising a portion whose width decreases in the direction of the
distal end. The spikes can project from the application face, at
least some of them being connected to the portion of decreasing
width, with a succession of at least three spikes in the direction
of the width of the application face and a succession of at least
three spikes in the direction of its length.
[0046] A narrower shape at the end of the application member is
compatible with an implantation of the spikes that is suitable for
precise and effective making up of the fringe of the eyebrows, and
the distal end of the application member can thus be used to manage
the eyebrows, likewise the back of the application member, opposite
the application face, which can be made without application
element.
[0047] All the spikes are preferably implanted on the portion of
decreasing width of the application face. Preferably, the back of
the application member, opposite the application face carrying the
spikes, is smooth. This back can be used to manage the eyelashes
while applying makeup, as indicated above.
[0048] The spikes can be arranged in rows, preferably at a constant
spacing within one and the same row and, better still, a constant
spacing between the spikes of all the rows. Preferably, the number
of spikes per row decreases in the direction away from a
longitudinal median plane of the application member.
[0049] Preferably, the application member comprises a central row
which comprises the greatest number of spikes, and the other rows
comprise fewer spikes than this central row. The latter is
preferably situated along a median plane of symmetry of the
application member.
[0050] The spikes are preferably arranged in rows that are aligned
in the direction of the length of the application face.
[0051] The spikes can be arranged in rows parallel to the
longitudinal axis of the application member. These rows may or may
not be offset with respect to one another in the longitudinal
direction of the application member, the offset between two
adjacent rows being, for example, between 1/4 and 3/4 of the mean
spacing between the spikes within one and the same row, said
spacing being measured at the base of the spikes.
[0052] The application face can be slightly convex toward the
outside, and the envelope surface defined by the free ends of the
spikes can also be convex toward the outside, for example being
parallel to the application face. Alternatively, and preferably,
the free ends of the spikes all belong to one and the same plane,
which is preferably not parallel to the longitudinal axis of the
application member.
[0053] The body of the application member preferably has a general
shape flattened in a flattening plane, which can be oriented
generally perpendicularly with respect to a median plane for the
application face. The greatest width of the body of the application
member is preferably greater than the length of the largest of the
spikes.
[0054] The greatest width w.sub.max of the body of the application
member can be greater than the diameter d.sub.tige of the stem of
the applicator in its region adjacent to the application
member.
[0055] When the application member is observed along its
longitudinal axis, the axes of the spikes can be oriented
substantially perpendicularly with respect to said flattening
plane.
[0056] A flattened shape of the body of the application member is
advantageous in that it tends to ovalize the wiping element to the
passage of the application member and may lead to further wiping of
the spikes, which reduces the quantity of product present at their
end and reduces the risk of staining the skin by excessive
application of product.
[0057] In a very preferred embodiment, the application member
comprises a central row of at least three spikes, preferably four
spikes, of which the length increases, preferably linearly, toward
the free end of the application member, and two lateral rows of at
least two spikes each, preferably offset axially with respect to
the central row by about half the spacing between two consecutive
teeth, measured at their base, of the central row. In this
preferred embodiment, all the spikes are present on a portion of
the application face whose length decreases toward the free end of
the application member. The spikes are connected to an inclined
application face and are preferably of mutually parallel
longitudinal axes, all preferably inclined toward the front.
[0058] When the applicator is designed for applying a product to
the skin of the eyebrows, the spikes can all be of the same length,
and the spikes are preferably flocked on their entire surface.
[0059] The flocking hairs preferably have a length of less than or
equal to 0.75 mm.
[0060] The lateral surface of the body can have a boss to which the
spikes are connected.
[0061] Such a boss makes the spikes more eccentric at their base
and makes it possible to reinforce the wiping of the spikes. The
presence of the boss can also make it easier to mold the spikes
with the desired orientation.
[0062] The lateral surface of the body can have a facet to which
the spikes are connected and which, seen from the side, in
particular in a direction perpendicular to the aforementioned
longitudinal median plane, has a rectilinear profile forming an
angle of between 5.degree. and 85.degree. with the longitudinal
axis of the body.
[0063] The application member can be fully flocked on its visible
portion.
[0064] The application member may have a symmetrical shape with
respect to a longitudinal median plane. At least one row of spikes
can extend in this longitudinal median plane.
[0065] The body of the application member, excluding the boss if
appropriate, can be a body of revolution, in particular with a
cylindrical shape of revolution, with a diameter of between 2 mm
and 4 mm.
[0066] Preferably, the spikes are molded in one piece with the body
of the application member and are preferably made of an elastomer
material so as to impart flexibility to the application member.
[0067] In particular, the application member can have a sufficient
flexibility such that the spikes and/or the body of the application
member can deform during passage through the wiping element and/or
during the application of the product to the eyebrows.
[0068] The visible length of the application member may be between
10 mm and 12 mm.
[0069] The application member preferably comprises an endpiece
which is molded integrally with the body of the application member.
This endpiece serves for mounting the application member in the
stem, the latter having a recess for this purpose.
[0070] The longitudinal axis of the endpiece can form an angle
which is not zero with the longitudinal axis of the body of the
application member. Preferably, the longitudinal axis of the body
of the application member is coincident with the longitudinal axis
of the endpiece.
[0071] A further subject of the invention, according to another of
its aspects, is a packaging and application device, comprising an
applicator according to the invention and a container containing
the product to be applied.
[0072] The product is preferably a product comprising an aqueous
dispersion of particles of hydrophobic film-forming hybrid acrylic
polymer and at least one linear block silicone copolymer, at least
one pigment, better still at least one mineral thickener,
preferably chosen from among clays, preferably a smectite.
[0073] This container is preferably provided with an element which
serves for wiping the stem and the application member and through
which the application member passes when the applicator is
withdrawn from the container. It is particularly advantageous that
the body of the application member is wider than the smallest
internal diameter of the wiping element, since this makes it
possible to wipe the spikes more vigorously, the tip thereof thus
carrying less product, which fact reduces the risk of staining the
skin in the case of application of the product to the eyelashes and
eyebrows, makes it easier to obtain fine and precise lines on the
skin in the case of application of the product to the skin of the
eyebrows, and can allow makeup to be applied with care. The
applicator can comprise a grip element designed to close the
container when the latter is not in use. The stem of the applicator
is connected to this grip element.
[0074] A further subject of the invention is a method for making up
the eyelashes or eyebrows or the skin of the eyebrows, in which
method a cosmetic product is applied, with the aid of the
applicator according to the invention, to the eyelashes or the
eyebrows or to the skin of the eyebrows.
[0075] The product can be applied to the skin in fine lines.
[0076] The product is advantageously taken from a container
provided with a wiping element. The product is applied with the aid
of the spikes and of the application face. The back of the
application member can be used to move the eyelashes without
seeking to apply product.
[0077] The invention may be better understood from reading the
following detailed description of non-limiting implementation
examples thereof and from examining the appended drawing, in
which:
[0078] FIG. 1 shows a schematic front view of an example of a
device according to the invention for packaging a product and
applying it to the eyelashes or the eyebrows,
[0079] FIG. 2 shows in isolation, in a front view, the application
member for applying a product to the eyelashes or the eyebrows,
[0080] FIG. 3 is a side view along III in FIG. 2,
[0081] FIG. 4 is an axial view along IV in FIG. 2,
[0082] FIG. 5 is a view along V in FIG. 3, illustrating the
implantation of the spikes on the application face,
[0083] FIG. 6 is a schematic longitudinal section along VI-VI in
FIG. 4, and
[0084] FIGS. 7 to 31 show elevations, in particular front, rear and
side views, of other examples of application members according to
the invention for applying a product to the eyelashes or
eyebrows,
[0085] FIG. 32 shows a schematic view of an example of a device
according to the invention for packaging a product and applying it
to the skin of the eyebrows,
[0086] FIG. 33 shows in isolation the visible portion of the
application member according to the invention for applying a
product to the skin of the eyebrows,
[0087] FIG. 34 shows a front view of the application member from
FIG. 33, before flocking,
[0088] FIG. 35 is a side view along the plane M in FIG. 34,
[0089] FIG. 36 is a bottom view along XXXVI in FIG. 34,
[0090] FIG. 37 is a cross-sectional view of the spikes along
XXXVII-XXXVII in FIG. 35,
[0091] FIG. 38 shows a front view of a variant of an application
member for applying a product to the skin of the eyebrows, before
flocking,
[0092] FIG. 39 is a bottom view along XXXIX in FIG. 38,
[0093] FIG. 40 is a cross-sectional view of the spikes along XL-XL
in FIG. 39,
[0094] FIG. 41 shows a front view of a variant of an application
member for applying a product to the skin of the eyebrows, before
flocking,
[0095] FIG. 42 is a bottom view along XLII in FIG. 41,
[0096] FIG. 43 is a cross-sectional view of the spikes along
XLIII-XLIII in FIG. 42,
[0097] FIG. 44 shows a front view of a variant of an application
member for applying a product to the skin of the eyebrows, before
flocking,
[0098] FIG. 45 shows a bottom view along XLV in FIG. 44,
[0099] FIG. 46 is a cross-sectional view of the spikes along
XLVI-XLVI in FIG. 45, and
[0100] FIGS. 47 to 69 show front, rear and side views of other
examples of application members according to the invention for
applying a product to the skin of the eyebrows, before
flocking.
[0101] The packaging and application device 1 shown in FIGS. 1 to
69 comprises an applicator 10 according to the invention and a
container 20 containing a product P to be applied to the eyebrows
with the aid of the applicator 10.
[0102] The applicator 10 comprises a stem 11 which is connected to
a grip element 12 designed to be fixed on the container 20 when the
latter is not in use, so as to close the container sealingly.
[0103] At its distal end, opposite the grip element 12, the stem 11
carries an application member 30 according to the invention,
comprising spikes 34.
[0104] The stem 11 can be rectilinear and extend along a
longitudinal axis Y.
[0105] The application member 30 can extend along a longitudinal
axis X, which can be coincident with the longitudinal axis Y of the
stem 11, as illustrated.
[0106] The applicator 10 can be fixed to the container 20 in
various ways, for example by screwing the grip element 12 onto a
neck 21 of the container 20. This neck 21 can at least partially
accommodate an element 25 for wiping the stem 11 and the
application member 30, it being possible for this wiping element 25
to be of any type known per se, in particular one with a flexible
lip as illustrated, for example, in FIG. 45 of the publication WO
2010/007588 A2 or in FIGS. 25 to 28 of the application FR 2 900
036.
[0107] The smallest diameter of the wiping element 25 can be equal
to the diameter of the stem 11, in its portion adjacent to the
application member.
[0108] Although the use of a container provided with a wiping
element is preferred because it makes it possible to leave little
product at the end of the spikes 34, the product P can also be
contained in a container designed to allow the application member
30 to be charged with product without passing through a wiping
element. For example, the product can be contained in a container
provided with a foam or with a wall permeable to the product, in
contact with which the application member 30 can be charged with
product. In another variant, the product is brought into contact
with the application member by being removed by the latter directly
from a pot containing the product or is applied to the application
member 30 by withdrawal from a tube.
[0109] The stem 11 can be hollow or solid and provided at its
distal end with a recess into which an endpiece 31 of the
application member 30, visible in FIG. 2, can be introduced. This
endpiece 31 can be fixed in the recess of the stem 11 by any known
means, for example by stapling, crimping, adhesive bonding,
screwing, snap-fastening or welding.
[0110] In a variant not illustrated, the stem 11 is produced in one
piece with the application member 30 by molding using one or more
materials.
[0111] The container 20 can have a body made of thermoplastic
material or glass, of any shape, and opaque or transparent.
[0112] Preferably, and generally, the product P is as described
hereinbelow under the heading "Product".
[0113] Preferably, the body 32 has a circular shoulder 37 in the
area of the connection to the endpiece 31, and the diameter of this
shoulder 37 at the base of the body 32 corresponds to the external
diameter of the stem 11, such that the body 32 takes up a position
externally in the continuation of the stem 11, without any
appreciable discontinuity.
[0114] The body 32 of the application member defines an application
face 33 which carries the spikes 34.
[0115] The application member 30 is preferably made in one piece by
the molding of a single thermoplastic material, preferably a single
elastomeric material. However, it is still within the scope of the
present invention when the spikes 34 are made from a material
different than that of the body 32, for example from a more
flexible material or from a harder material.
[0116] The total length L of the application member 30 visible
after the application member 30 has been mounted on the stem 11 is
between 10 and 12 mm, for example.
[0117] It is advantageous that the body 32 of the application
member 30 is wider than the internal diameter of the wiping element
25, since this makes it possible to dilate the wiping lip as the
application member 30 passes through and thus to wipe the spikes 34
more vigorously, so as to leave less product near the free end
thereof.
[0118] The spikes 34 can have various shapes, including for
example, as illustrated, a conical shape with a hemispherical
tip.
[0119] The spikes 34 are preferably bodies of revolution, in
particular of concical shape. Their base 42 can have in cross
section a diameter m of between 0.4 mm and 1 mm, in particular of
between 0.5 mm and 0.6 mm. Their distal ends 44 preferably have a
radius of curvature p of between 0.01 mm and 0.3 mm, better still
between 0.05 mm and 0.15 mm.
[0120] The length l of the spikes 34 is, for example, between 2 and
4 mm, being for example equal to 3.5 mm.
[0121] The diameter m of a spike 34 at its base is, for example,
between 0.5 and 0.6 mm.
[0122] The axes of the spikes 34 are preferably spaced apart by a
distance r, preferably of between 0.5 mm and 2 mm, better still of
between 0.80 and 1 mm, being for example equal to about 0.9 mm.
[0123] The stem 11 can be of any shape, but the stem 11 preferably
has a circular cross section.
[0124] FIGS. 1 to 31 illustrate an applicator 10 for applying a
product to the eyelashes and/or eyebrows. These figures are
described in more detail below.
[0125] Preferably, the applicator 10 and/or the spikes 34 for
applying a product to the eyelashes and/or eyebrows are not
flocked.
[0126] As is illustrated in FIG. 2, the diameter d.sub.tige of the
stem 11 is preferably less than the greatest transverse dimension
w.sub.max of the application member 30. Thus, the latter deforms
the wiping element 25 as it passes through.
[0127] The application face 33 has a portion 38 whose length
decreases from the maximum w.sub.max in the direction of a free end
36 of the application member 30.
[0128] The width of the visible portion of the application member
30, as observed in FIG. 2, can decrease from the shoulder 37 and
then increase in order to reach the maximum w.sub.max, and it then
decreases again along the portion 38.
[0129] The maximum width w.sub.max of the body 32 of the
application member 30 is, for example, between 4 mm and 8 mm, being
for example equal to 6 mm.
[0130] The thickness of the portion 38 can likewise decrease, as
can be seen in FIG. 3, in the direction of the free end 36.
[0131] The maximum thickness e.sub.max of the body 32 is, for
example, between 3 and 3.6 mm, being for example 3.3 mm. The
maximum thickness e.sub.max can be reached at the position where
the width is also at its maximum, and this maximum thickness can be
reached in a median plane of symmetry M for the application member
30.
[0132] It is in particular preferred that the application member 30
has a transverse section flattened in a flattening plane F, which
is generally perpendicular to the longitudinal axis of the spikes
34 after axial projection thereof on a plane perpendicular to the
longitudinal axis of the body 32, as can be seen in FIG. 4.
[0133] In the example in question, the spikes 34 are of mutually
parallel axes Z, all of them being oriented in a same direction,
forming an angle .alpha. with the plane F in which the body 32 of
the application member 30 is flattened.
[0134] This angle .alpha. is, for example, about 60.degree., being
preferably between 30 and 80.degree.. Thus, as can be seen in FIG.
3, the spikes 34 are oriented toward the front of the
applicator.
[0135] It will be seen in FIG. 5 that a row 34a of at least four
spikes 34 arranged in succession in the longitudinal direction is
connected to the portion 38 of the application face whose width
decreases in the direction of the distal end 36.
[0136] As can be seen in FIGS. 2 and 5 in particular, the
application member 30 can comprise a central row 34a of spikes 34
arranged in the median plane M, this row of spikes comprising the
greatest number of spikes, namely four in the example
illustrated.
[0137] Within each longitudinally extending row of spikes 34, the
spacing r between two consecutive spikes 34 can be between 0.80 mm
and 1 mm, being for example equal to about 0.9 mm. This spacing r
can be the same within one row and the same for all the
longitudinal rows, as is illustrated in FIG. 5
[0138] The size s in the vertical direction, when the application
member 30 is observed in projection along the longitudinal axis of
the body 32 as in FIG. 4, measured between the back 39 of the
application member and the highest free end of the spikes 34, is
for example between 6 and 7 mm, being for example equal to 6.5
mm.
[0139] The application face 33 is preferably convex, as illustrated
in FIG. 4.
[0140] To use the applicator 10 of FIGS. 1 to 5, the user withdraws
it from the container 20 and applies the product P to the eyebrows
with the aid of the spikes 34. During its withdrawal from the
container 20, the application member 30 passes through the wiping
element 25, and excess product is removed from the free ends of the
spikes 34. After use, the user puts the applicator 10 back in the
container 20, and the grip element 12 ensures leaktight closure of
the latter.
[0141] The spike 34 situated closest to the free end 36 is longer
than the spikes of the same row.
[0142] It will be seen in particular in FIG. 6 that the length of
the spikes 34 increases toward the free end 36. This increase may
be linear, as illustrated.
[0143] For example, the length of the spikes goes from l.sub.min to
l.sub.max, with l.sub.min=2.4 mm and l.sub.max=3 mm.
[0144] In the example illustrated, the application member 30
comprises a central row 34a of four spikes 34 and two lateral rows
34c of two spikes 34 each, with a longitudinal offset between the
spikes 34 of a row 34c and those of the row 34a having
substantially the value of the spacing r between two spikes 34.
[0145] The spikes 34 of the lateral rows 34c can likewise have a
height l that increases toward the free end 36.
[0146] When the application member is observed from the side, as
illustrated in FIG. 3, the ends of the spikes 34 can all be
situated in one and the same plane N, which may be non-parallel to
the longitudinal axis of the application member 30 and non-parallel
to the longitudinal axis of the stem 11 of the applicator.
[0147] Many modifications may be made to the invention, in
particular to the shape given to the body 32.
[0148] In the examples in FIGS. 7 to 31, the application member 30
comprises a central row of four spikes and two lateral rows limited
to a single spike, but the implantation of the spikes 34 could be
other than this.
[0149] In the example in FIGS. 7 to 9, the back of the body 32 of
the application member 30 has a central ridge, which extends in a
median plane of symmetry.
[0150] In the example in FIGS. 10 to 12, the back of the body 32
has a twisted shape.
[0151] In the example in FIGS. 13 and 14, the back of the body 32
is concave toward the outside, when the application member 30 is
observed from the side.
[0152] In the example in FIGS. 15 and 16, and in the one in FIGS.
17 and 18, the body 32 has a general triangular shape in side
view.
[0153] In the example in FIGS. 19 and 20, the body 32 is openworked
between the portion 38 of decreasing width and the endpiece 31 for
fixing on the stem.
[0154] In the example in FIGS. 21 and 22, the body 32 has
striations 60 between the portion 38 and the endpiece 31.
[0155] In the example in FIGS. 23 to 25, the free end 36 is
substantially plane, seen from the front.
[0156] In the example in FIGS. 26 to 28, the application face 33 is
delimited over part of its length by two opposite sides which are
parallel to each other, before joining at the end in a rounded
part, which delimits the portion 38 of decreasing width.
[0157] In the example in FIGS. 29 to 31, the back of the body 32 is
completely rounded.
[0158] FIGS. 32 to 69 described below illustrate an applicator 10
for applying a product to the eyelashes and/or eyebrows. This
applicator 1 differs from the applicator of FIGS. 1 to 31
particularly in terms of its shape.
[0159] In the examples in FIGS. 32 to 69, the spikes 34 are
flocked.
[0160] In the example in question, the application member 30,
excluding flocking, is made in one piece by the molding of a single
thermoplastic material, preferably a single elastomeric material.
The flocking is carried out after removal from the mold.
[0161] Preferably, as illustrated in FIGS. 34 to 46, the body has a
chamfer 138 at its distal end. The arrangement may be different
than this, as illustrated in FIGS. 47 to 69.
[0162] In the example in question, the body 32 has a boss 139
defining a facet 133 to which the spikes 34 are connected.
[0163] The facet 133 is preferably convex toward the outside.
[0164] As is illustrated in FIG. 35, the facet 133 can have, in
side view, a rectilinear profile which extends along an axis W
forming a non-zero angle .beta. with the longitudinal axis X of the
body 30. The angle .beta. is preferably between 5.degree. and
85.degree.. The axis W passes through the chamfer 138 at the free
end of the body 32.
[0165] In the example in question, the body of the application
member 30 is of substantially cylindrical shape with a diameter w
of between 2 mm and 4 mm, better still equal to about 2.4 mm, other
than at the area of the boss 139.
[0166] The facet 133 can be connected to the cylindrical surface of
the body 32 via convex surfaces on the sides and via a concave
surface on the side of the endpiece 31.
[0167] As can be seen in FIG. 4, the thickness of the boss 139 can
diminish toward the free end of the body 32, eventually becoming
zero.
[0168] The application member 30 can comprise between one and five
spikes 34, preferably two spikes 34, as illustrated in FIGS. 32 to
40, or three spikes 34, as illustrated in FIGS. 41 to 43.
[0169] The spikes 34 are connected to the facet 133 of the boss 139
via their base 142 and each extend toward a free end 144.
[0170] Preferably, as is illustrated in FIG. 35, the spikes 34 form
an angle .alpha. with the longitudinal axis X of the body 32, the
angle .alpha. being preferably between 5.degree. and 85.degree..
Preferably, the angle .alpha. is equal to 90-.beta., the spikes 34
being oriented, in side view, perpendicularly with respect to the
axis W.
[0171] Preferably, the spikes 34 have a length l of between 2 mm
and 4 mm, being for example equal to about 2.8 mm in the example in
FIGS. 2 to 15. The spikes 34 preferably all have the same length
l.
[0172] Preferably, the spikes are sufficiently spaced apart to
ensure that the lines traced with them on the skin are separated
and well defined.
[0173] As is illustrated in FIGS. 34 to 37, the application member
30 can comprise two spikes 34 arranged in such a way that their
longitudinal axes K are in the median plane M.
[0174] Alternatively, as is illustrated in FIGS. 38 to 40, the
application member 30 comprises two spikes 34 arranged in such a
way that their longitudinal axes K are parallel but not coincident
with the median plane M. The longitudinal axes of the spikes are
preferably spaced apart from the median plane M by a distance u of
between 0.25 mm and 1.5 mm.
[0175] The bases 142 of the spikes 34 have different axial
positions x.sub.1 and x.sub.2 on the longitudinal axis X of the
body 32.
[0176] As is illustrated in FIG. 33, the spikes 34 are flocked and
comprise flocking hairs 36 which are held, by an adhesive at their
base, to the surface of the spikes 34 obtained by molding.
[0177] Preferably, as is illustrated in FIG. 33, the totality of
the visible portion of the application member 30 is flocked.
[0178] The length of the flocking hairs 36 is preferably between
0.5 mm and 1 mm.
[0179] As is illustrated in FIGS. 41 to 43, the application member
30 can comprise three spikes 34. One of the three spikes 34 can be
aligned with the median plane M, the axes of the two other spikes
being spaced apart from this same plane and not being situated at
the same distance m from the latter. As is illustrated in FIG. 43,
the longitudinal axes K of the three spikes 34 are distinct, and
the spikes 34 preferably have different axial positions x.sub.1,
x.sub.2 and x.sub.3 on the longitudinal axis X.
[0180] Alternatively, as is illustrated in FIGS. 44 to 46, the
application member 30 comprises five spikes 34 arranged in a
staggered fashion on the lateral surface 33 of the body 32.
Preferably, the central spike 34 is in the median plane M. As is
illustrated in FIG. 46, the longitudinal axes K of the spikes are
spaced apart from the median plane P, and the axial positions
x.sub.1, . . . , x.sub.5 of the spikes 34 on the longitudinal axis
X are different.
[0181] As is illustrated in FIGS. 47 and 48, the body 32 can have
an opening 150 all the way through it.
[0182] The body 32 can have a flattened cross section, as is
illustrated in FIGS. 49 to 54, or it can have any shape of
revolution, as is illustrated in FIGS. 55 to 65.
[0183] In FIGS. 66 to 69, the body 32 is twisted and has a
through-opening 150.
[0184] As is illustrated in FIGS. 52, 53 and 62 to 65, the
longitudinal axes K of the spikes 34 can be perpendicular to the
longitudinal axis X of the body 32.
[0185] Product
[0186] The product can have any formulation suitable for making up
the eyelashes or the eyebrows. Preferably, the product comprises an
aqueous dispersion of particles of hydrophobic film-forming hybrid
acrylic polymer, at least one linear block silicone copolymer, and
at least one pigment.
[0187] Preferably, the composition likewise comprises at least one
mineral thickener, preferably chosen from among clays, preferably a
smectite.
[0188] By use of such a composition, it is possible to obtain, on
the eyelashes, colored sheathings which provide a visible
coloration on all types of eyelashes, in a manner resistant to
washing, while at the same time preserving the physical qualities
of the eyelashes. Such a sheathing is, in particular, resistant to
the external attacking factors to which the eyelashes may be
subjected, such as perspiration. It makes it possible in particular
to obtain a smooth and uniform deposit with the aid of the
applicator according to the invention.
[0189] The eyelashes remain individualized, which is to say that,
after the composition has been applied and dries, the eyelashes are
not stuck to each other and, therefore, do not form clusters of
eyelashes, the sheath being formed around practically each
eyelash.
[0190] Aqueous Dispersion of Particles of Hydrophobic Film-Forming
Hybrid Acrylic Polymer
[0191] For the purposes of the invention, the term "polymer" means
a compound corresponding to the repetition of one or more units
(these units resulting from compounds known as monomers). This or
these unit(s) are repeated at least twice and preferably at least
three times.
[0192] The term "film-forming polymer" is understood to mean a
polymer capable of forming, by itself alone or in the presence of
an auxiliary film-forming agent, a macroscopically continuous film
on a support, in particular on keratinous substances, and
preferably a cohesive film.
[0193] The term "hydrophobic polymer" is understood to mean a
polymer having a solubility in water at 25.degree. C. of less than
1% by weight.
[0194] The dispersion can be a simple dispersion in the aqueous
medium of the composition.
[0195] Mention may be made, as specific case of dispersions, of
latexes.
[0196] The term "hybrid acrylic polymer" is understood to mean,
within the meaning of the present invention, a polymer synthesized
from at least one compound (i) chosen from monomers having at least
one (meth)acrylic acid group and/or esters of these acid monomers
and/or amides of these acid monomers and from at least one compound
(ii) different from the compounds (i).
[0197] The esters of (meth)acrylic acid (also called the
(meth)acrylates) are advantageously chosen from
alkyl(meth)acrylates, in particular C.sub.1-C.sub.30, preferably
C.sub.1-C.sub.20, better still C.sub.1-C.sub.10,
alkyl(methacrylate), aryl(meth)acrylates, in particular
C.sub.6-C.sub.10 aryl(meth)acrylate, hydroxyalkyl(meth)acrylates,
in particular C.sub.2-C.sub.6 hydroxyalkyl(meth)acrylate.
[0198] Mention may be made, among alkyl(meth)acrylates, of methyl
methacrylate, ethyl methacrylate, butyl methacrylate, isobutyl
methacrylate, 2-ethylhexyl methacrylate, lauryl methacrylate or
cyclohexyl methacrylate.
[0199] Mention may be made, among hydroxyalkyl(meth)acrylates, of
hydroxyethyl acrylate, 2-hydroxypropyl acrylate, hydroxyethyl
methacrylate or 2-hydroxypropyl methacrylate.
[0200] Mention may be made, among aryl(meth)acrylates, of benzyl
acrylate and phenyl acrylate.
[0201] The (meth)acrylic acid esters which are particularly
preferred are the alkyl(meth)acrylates.
[0202] According to the present invention, the alkyl group of the
esters can be either fluorinated or perfluorinated, that is to say
that a portion or all of the hydrogen atoms of the alkyl group are
replaced by fluorine atoms.
[0203] Mention may be made, as amides of the acid monomers, for
example, of (meth)acrylamides and in particular
N-alkyl(meth)acrylamides, especially N--(C.sub.2-C.sub.12
alkyl)(meth)acrylamides. Among the N-alkyl(meth)acrylamides that
may be mentioned are N-ethylacrylamide, N-t-butylacrylamide,
N-t-octylacrylamide and N-undecylacrylamide. Mention will be made,
as compounds (ii) different from the compounds (i), for example, of
styrene monomers.
[0204] In particular, the acrylic polymer can be a styrene/acrylate
copolymer and especially a polymer chosen from copolymers resulting
from the polymerization of at least one styrene monomer and at
least one C.sub.1-C.sub.20, preferably C.sub.1-C.sub.10 alkyl
acrylate monomer. As styrene monomers that may be used in the
invention, examples that may be mentioned include styrene and
.alpha.-methylstyrene, preferably styrene.
[0205] The C.sub.1-C.sub.10 alkyl acrylate monomer can be chosen
from methyl acrylate, ethyl acrylate, propyl acrylate, butyl
acrylate, hexyl acrylate, octyl acrylate or 2-ethylhexyl
acrylate.
[0206] Mention may be made, as acrylic polymer synthesized with
styrene compound, of the styrene/acrylate copolymers sold under the
name Joncryl 77 by BASF, under the name Yodosol GH41F by Akzo Nobel
and under the name Syntran 5760 CG by Interpolymer.
[0207] Mention may also be made, as compound (ii), of the compounds
which interact via a process other than the radical polymerization
of unsaturated compounds or the compounds resulting from such a
process. Such a process can, for example, be a polycondensation.
Mention may be made, as polycondensation, of the formation of
polyurethanes, polyesters or polyamides. Besides the acrylic
monomer(s), the hybrid hydrophobic film-forming polymer of the
invention will then contain the compound derived from the
condensation process or the compounds that interact in the
polycondensation process.
[0208] Mention may in particular be made, as hydrophobic
film-forming hybrid acrylic copolymers of this type, of that sold
under the reference Hybridur 875 Polymer Dispersion by Air Products
and Chemicals.
[0209] Use may also be made, as hydrophobic film-forming hybrid
acrylic copolymer, of the product sold under the reference Primal
HG 1000 by Dow.
[0210] The hydrophobic film-forming hybrid acrylic polymer or
polymers in aqueous dispersion can be present in a content, as
active materials, ranging from 0.1% to 30% by weight, more
particularly from 0.5% to 20% by weight and preferably from 1% to
15% by weight, with respect to the total weight of the
composition.
[0211] Linear Block Silicone Copolymer
[0212] The silicone copolymer used in the composition according to
the invention is a linear block copolymer, that is to say a
non-crosslinked copolymer, obtained by chain extension and not by
crosslinking.
[0213] The term "block copolymer" (or "sequential copolymer")
denotes a polymer comprising at least two distinct blocks
(sequences). Each block of the polymer results from one type of
monomer or from several different types of monomer. This means that
each block can be composed of a homopolymer or a copolymer; this
copolymer constituting the block can in turn be random or
alternating.
[0214] It should also be noted that the copolymer is "linear", in
other words the structure of the polymer is neither branched, nor
star-shaped, nor grafted.
[0215] The linear block silicone copolymer is advantageously
provided in the form of particles in dispersion in an aqueous
medium.
[0216] The aqueous dispersion of block copolymer particles is a
silicone-in-water (Sil/W) emulsion, the oil globules of which
consist of a silicone of high viscosity, such that these globules
appear to form like "flexible particles".
[0217] The size of the linear block silicone copolymer particles
can vary widely. Preferably, in the present patent application, the
linear block silicone copolymer particles generally exhibit a
number-average size of less than or equal to 2 microns and
preferably of less than or equal to 1 micron.
[0218] The aqueous dispersions of linear block silicone copolymer
particles used in the composition according to the invention can be
chosen in particular from those described in the document EP-A-874
017. According to this document, it is possible in particular to
obtain the silicone copolymers constituting these particles by a
chain-extension reaction, in the presence of a catalyst, starting
from at least:
[0219] (a) a polysiloxane (i) having at least one reactive group
and preferably one or two reactive groups per molecule; and
[0220] (b) an organosilicone compound (ii) which reacts with the
polysiloxane (i) via a chain-extension reaction.
[0221] In particular, the polysiloxane (i) is chosen from the
compounds of formula (I):
##STR00001##
[0222] in which R.sub.1 and R.sub.2 represent, independently of one
another, a hydrocarbon group having from 1 to 20 carbon atoms and
preferably from 1 to 10 carbon atoms, such as methyl, ethyl, propyl
or butyl, or an aryl group, such as phenyl, or a reactive group,
and n is an integer greater than 1, provided that there are on
average between one and two reactive groups per polymer.
[0223] The term "reactive group" means any group that is capable of
reacting with the organosilicon compound (ii) to form a block
copolymer. Mention may be made, as reactive groups, of hydrogen;
aliphatically unsaturated groups, in particular vinyl, allyl or
hexanyl groups; the hydroxyl group; alkoxy groups, such as methoxy,
ethoxy or propoxy groups; alkoxyalkoxy groups; the acetoxy group;
amino groups, and their mixtures. Preferably, more than 90% and
better still more than 98% of the reactive groups are at the chain
end, that is to say that the R.sub.2 radicals generally constitute
more than 90% and even 98% of the reactive groups.
[0224] n can in particular be an integer ranging from 2 to 100,
preferably from 10 to 30 and better still from 15 to 25.
[0225] The polysiloxanes of formula (I) are linear polymers, that
is to say comprising few branches and generally less than 2 mol %
of siloxane units. Moreover, the R.sub.1 and R.sub.2 groups can
optionally be substituted by amino groups, epoxy groups, groups
comprising sulfur, silicon or oxygen.
[0226] Preferably, at least 80% of the R.sub.1 groups are alkyl
groups and better still methyl groups.
[0227] Preferably, the reactive R.sub.2 group at the chain end is
an aliphatically unsaturated group and in particular a vinyl
group.
[0228] Mention may in particular be made, as polysiloxanes (i), of
dimethylvinylsiloxypolydimethylsiloxane, compound of formula (I) in
which the R.sub.1 radicals are methyl radicals and the R.sub.2
radicals at the chain end are vinyl radicals, whereas the two other
R.sub.2 radicals are methyl radicals.
[0229] The organosilicon compound (ii) may be chosen from the
polysiloxanes of formula (I) or compounds acting as chain
extenders. If it is a compound of formula (I), the polysiloxane (i)
will comprise a first reactive group and the organosilicon compound
(ii) will comprise a second reactive group which will react with
the first group. If it is a chain extender, it can be a silane, a
siloxane (disiloxane or trisiloxane) or a silazane. Preferably, the
organosilicon compound (ii) is a liquid organohydrogenopolysiloxane
of formula (II):
##STR00002##
[0230] in which n is an integer greater than 1 and preferably
greater than 10, for example ranging from 2 to 100, preferably from
10 to 30 and better still from 15 to 25. According to a specific
embodiment of the invention, n is equal to 20.
[0231] The silicone block copolymers used according to the
invention are advantageously devoid of oxyalkylene group(s), in
particular devoid of oxyethylene and/or oxypropylene group(s).
[0232] The catalyst for the reaction between the polysiloxane and
the organosilicon compound may be chosen from metals and especially
from platinum, rhodium, tin, titanium, copper and lead. It is
preferably platinum or rhodium.
[0233] The silicone copolymer particle dispersion used in the
composition according to the invention may especially be obtained,
for example, by mixing (a) water, (b) at least one emulsifier, (c)
the polysiloxane (i), (d) the organosilicon compound (ii) and (e) a
catalyst. Preferably, one of the constituents (c), (d) or (e) is
added last to the mixture, in order for the chain-extension
reaction to begin only in the dispersion.
[0234] Mention may be made, as emulsifiers capable of being used in
the preparation process described above in order to obtain the
aqueous dispersion of particles, of nonionic or ionic (anionic,
cationic or amphoteric) emulsifiers. They are preferably nonionic
emulsifiers which can be chosen from polyalkylene glycol ethers of
a fatty alcohol comprising from 8 to 30 carbon atoms and preferably
from 10 to 22 carbon atoms; polyoxyalkylenated and in particular
polyoxyethylenated sorbitan alkyl esters, where the alkyl radical
comprises from 8 to 30 carbon atoms and preferably from 10 to 22
carbon atoms; polyoxyalkylenated and in particular
polyoxyethylenated alkyl esters, where the alkyl radical comprises
from 8 to 30 carbon atoms and preferably from 10 to 22 carbon
atoms; polyethylene glycols; polypropylene glycols; diethylene
glycols; and their mixtures. The amount of emulsifier(s) is
generally from 1% to 30% by weight, with respect to the total
weight of the reaction mixture.
[0235] The emulsifier used in order to obtain the aqueous
dispersion of particles is preferably chosen from polyethylene
glycol ethers of fatty alcohols and their mixtures, and in
particular polyethylene glycol ethers of alcohols comprising 12 or
13 carbon atoms and from 2 to 100 oxyethylene units and preferably
from 3 to 50 oxyethylene units, and their mixtures. Mention may be
made, for example, of C.sub.12-C.sub.13 Pareth-3, C.sub.12-C.sub.13
Pareth-23 and their mixtures.
[0236] According to a specific embodiment of the invention, the
dispersion of silicone copolymer particles is obtained from
dimethylvinylsiloxypolydimethylsiloxane (or divinyl dimethicone) as
compound (i) and from the compound of formula (II) with preferably
n=20 as compound (ii), preferably in the presence of a catalyst of
platinum type, and the dispersion of particles is preferably
obtained in the presence of C.sub.12-C.sub.13 Pareth-3 and
C.sub.12-C.sub.13 Pareth-23 as emulsifiers.
[0237] Use may in particular be made, as dispersion of silicone
copolymer particles, of the product sold under the name HMW 2220 by
Dow Corning (CTFA name: divinyl dimethicone/dimethicone
copolymer/C.sub.12-C.sub.13 Pareth-3/C.sub.12-C.sub.13 Pareth-23),
which is a 60% aqueous dispersion of divinyl
dimethicone/dimethicone copolymer comprising C.sub.12-C.sub.13
Pareth-3 and C.sub.12-C.sub.13 Pareth-23, said dispersion
comprising approximately 60% by weight of copolymer, 2.8% by weight
of C.sub.12-C.sub.13 Pareth-23, 2% by weight of C.sub.12-C.sub.13
Pareth-3 and 031% by weight of preservatives, the remainder to 100%
being water.
[0238] The linear block silicone copolymer(s) may be present in an
amount of polymeric active materials ranging from 0.1% to 30% by
weight, better still from 0.5% to 20% by weight and even better
still from 1% to 15% by weight relative to the total weight of the
composition.
[0239] According to one embodiment, the hybrid hydrophobic
film-forming acrylic polymer(s) and the linear block silicone
copolymer(s) are present in a weight ratio (as polymer active
materials) of hydrophobic film-forming acrylic polymer(s) to linear
block silicone copolymer(s) ranging from 0.2 to 10, better still
from 0.5 to 5 and even better still from 1 to 3.
[0240] When the hydrophobic film-forming hybrid acrylic polymer has
a glass transition temperature which is too high for the desired
use, a plasticizer may be combined therewith so as to lower this
temperature of the mixture used. The plasticizer can be chosen from
the plasticizers normally used in the field of application and in
particular from the compounds which may be solvents for the
polymer.
[0241] Preferably, the plasticizer has a molecular mass of less
than or equal to 5000 g/mol, preferably less than or equal to 2000
g/mol, preferentially less than or equal to 1000 g/mol and more
preferentially less than or equal to 900 g/mol. The plasticizer
advantageously has a molecular weight of greater than or equal to
100 g/mol.
[0242] Thus, the composition can additionally comprise at least one
plasticizer. In particular, mention may be made, alone or as a
mixture, of the normal plasticizers, such as:
[0243] glycols and their derivatives, such as diethylene glycol
ethyl ether, diethylene glycol methyl ether, diethylene glycol
butyl ether or diethylene glycol hexyl ether, ethylene glycol ethyl
ether, ethylene glycol butyl ether or ethylene glycol hexyl
ether;
[0244] polyethylene glycols, polypropylene glycols, polyethylene
glycol/polypropylene glycol copolymers and their mixtures, in
particular high molecular weight polypropylene glycols, for example
having a molecular weight ranging from 500 to 15 000, such as, for
example,
[0245] glycol esters;
[0246] propylene glycol derivatives and in particular propylene
glycol phenyl ether, propylene glycol diacetate, dipropylene glycol
ethyl ether, tripropylene glycol methyl ether and diethylene glycol
methyl ether, dipropylene glycol butyl ether. Such compounds are
sold by Dow Chemical under the names Dowanol PPH and Dowanol
DPnB;
[0247] acid esters, in particular carboxylic acid esters, such as
citrates, phthalates, adipates, carbonates, tartrates, phosphates
or sebacates;
[0248] esters resulting from the reaction of a monocarboxylic acid
of formula R.sub.11COOH with a diol of formula HOR.sub.12OH with
R.sub.11 and R.sub.12, which are identical or different,
representing a saturated or unsaturated and linear, branched or
cyclic hydrocarbon chain preferably comprising from 3 to 15 carbon
atoms and optionally comprising one or more heteroatoms, such as N,
O or S, in particular the monoester resulting from the reaction of
isobutyric acid and octanediol, such as
2,2,4-trimethyl-1,3-pentanediol, such as that sold under the
reference Texanol Ester Alcohol by Eastman Chemical;
[0249] oxyethylenated derivatives, such as oxyethylenated oils, in
particular vegetable oils, such as castor oil;
[0250] mixtures thereof.
[0251] More particularly, the plasticizer can be chosen from esters
of at least one carboxylic acid comprising from 1 to 7 carbon atoms
and of a polyol comprising at least 4 hydroxyl groups.
[0252] The polyol can be a cyclized or uncyclized
monosaccharide--polyhydroxyaldehyde (aldose) or polyhydroxyketone
(ketose). The polyol is preferably a monosaccharide cyclized in
hemiacetal form.
[0253] The polyol can be a monosaccharide or a polysaccharide
comprising from 1 to 10 monosaccharides, preferably from 1 to 4
monosaccharides and more preferably one or two monosaccharides. The
polyol can be chosen from erythritol, xylitol, sorbitol, glucose,
sucrose, lactose or maltose.
[0254] The polyol is preferably a disaccharide. Mention may be
made, among the disaccharides, of sucrose (also known as
.alpha.-D-glucopyranosyl-(1-2)-.beta.-D-fructofuranose), lactose
(also known as
.beta.-D-galactopyranosyl-(1-4)-.beta.-D-glucopyranose) and maltose
(also known as
.alpha.-D-glucopyranosyl-(1-4)-.beta.-D-glucopyranose), and
preferably sucrose.
[0255] The ester can be composed of a polyol esterified by at least
two different monocarboxylic acids or by at least three different
monocarboxylic acids.
[0256] The ester can be a copolymer of two esters, in particular a
copolymer i) of a sucrose substituted by benzoyl groups and ii) of
a sucrose substituted by acetyl and/or isobutyryl groups.
[0257] The carboxylic acid is preferably a monocarboxylic acid
comprising from 1 to 7 carbon atoms and preferably from 1 to 5
carbon atoms, for example chosen from acetic acid, n-propanoic
acid, isopropanoic acid, n-butanoic acid, isobutanoic acid,
tert-butanoic acid, n-pentanoic acid and benzoic acid.
[0258] The ester can be obtained from at least two different
monocarboxylic acids. According to one embodiment, the acid is an
unsubstituted linear or branched acid.
[0259] The acid is preferably chosen from acetic acid, isobutyric
acid, benzoic acid and their mixtures.
[0260] According to a preferred embodiment, the ester is sucrose
diacetate hexa(2-methylpropanoate), such as that sold under the
name Sustane SAIB Food Grade Kosher by Eastman Chemical.
[0261] According to another embodiment, the plasticizer can be
chosen from esters of an aliphatic or aromatic polycarboxylic acid
and of an aliphatic or aromatic alcohol comprising from 1 to 10
carbon atoms.
[0262] The aliphatic or aromatic alcohol comprises from 1 to 10 and
preferably from 1 to 8 carbon atoms, for example from 1 to 6 carbon
atoms. It can be chosen from R1 OH alcohols such that R1 represents
methyl, ethyl, propyl, isopropyl, butyl, hexyl, ethylhexyl, decyl,
isodecyl, benzyl, or benzyl substituted by an alkyl comprising from
1 to 3 carbon atoms, and their mixtures.
[0263] The aliphatic or aromatic polycarboxylic acid preferably
comprises from 3 to 12 carbon atoms, preferably from 3 to 10 carbon
atoms and preferably from 3 to 8 carbon atoms, for example 6 or 8
carbon atoms.
[0264] The aliphatic or aromatic polycarboxylic acid is
advantageously chosen from dicarboxylic acids and tricarboxylic
acids.
[0265] Mention may be made, among the aliphatic dicarboxylic acids,
of those of formula HOOC--(CH.sub.2).sub.n--COOH, in which n is an
integer ranging from 1 to 10 and preferably ranging from 2 to 8,
for example equal to 2, 4, 6 or 8.
[0266] Dicarboxylic acids chosen from succinic acid, adipic acid
and sebacic acid are preferred.
[0267] Mention may be made, among the aromatic dicarboxylic acids,
of phthalic acid.
[0268] Mention may be made, among the tricarboxylic acids, of the
triacids which correspond to the formula
##STR00003##
[0269] in which R represents an --H, --OH or --OCOR' group in which
R' represents an alkyl group having from 1 to 6 carbon atoms.
Preferably, R represents a --OCOCH.sub.3 group.
[0270] The tricarboxylic acid is in particular chosen from
acetylcitric acid, butyroylcitric acid or citric acid.
[0271] Among the tricarboxylic acid esters that may be used are
esters derived from citric acid (or citrates) such as tributyl
acetyl citrate, triethyl acetyl citrate, triethylhexyl acetyl
citrate, trihexyl acetyl citrate, trihexyl butyroyl citrate,
triisodecyl citrate, triisopropyl citrate, tributyl citrate and
tris(2-ethylhexyl)citrate. Mention may be made, as commercial
references of plasticizers mentioned above, of the Citroflex range
sold by Vertellus, in particular Citroflex A4 and Citroflex C2.
[0272] Mention may be made, among the adipic acid esters, of
dibutyl adipate and di(2-ethylhexyl)adipate.
[0273] Mention may be made, among the sebacic acid esters, of
dibutyl sebacate, di(2-ethylhexyl)sebacate, diethyl sebacate and
diisopropyl sebacate.
[0274] Mention may be made, among the succinic acid esters, of
di(2-ethylhexyl)succinate and diethyl succinate.
[0275] Mention may be made, among the phthalic acid esters, of
benzyl butyl phthalate, dibutyl phthalate, diethylhexyl phthalate,
diethyl phthalate and dimethyl phthalate.
[0276] Advantageously, the plasticizer or plasticizers can be
present in the composition in a content such that the weight ratio
of the hydrophobic film-forming hybrid acrylic polymer or polymers
to the plasticizer or plasticizers varies from 0.5 to 100,
preferably from 1 to 50 and preferably from 1 to 10.
[0277] Pigments
[0278] The composition comprises pigments.
[0279] Such a composition makes it possible to obtain colored and
persistent sheathings without damaging the eyelashes.
[0280] The term "pigment" is understood to mean white or colored
particles of any shape which are insoluble in the composition in
which they are present.
[0281] The pigments which can be used are chosen in particular from
organic and/or inorganic pigments known in the art, in particular
those described in Kirk-Othmer's Encyclopedia of Chemical
Technology and in Ullmann's Encyclopedia of Industrial
Chemistry.
[0282] They can be natural, of natural origin, or not.
[0283] These pigments can be provided in pigment powder or paste
form. They can be coated or uncoated.
[0284] The pigments may be chosen, for example, from mineral
pigments, organic pigments, lakes, pigments with special effects,
such as nacres or glitter flakes, and mixtures thereof.
[0285] The pigment can be a mineral pigment. The term "mineral
pigment" means any pigment that satisfies the definition in
Ullmann's encyclopedia in the chapter on inorganic pigments.
Mention may be made, among mineral pigments of use in the present
invention, of ochres, such as red ochre (clay (in particular
kaolinite) and iron hydroxide (for example hematite)), brown ochre
(clay (in particular kaolinite) and limonite) or yellow ochre (clay
(in particular kaolinite) and goethite); titanium dioxide,
optionally surface-treated; zirconium or cerium oxides; zinc,
(black, yellow or red) iron or chromium oxides; manganese violet,
ultramarine blue, chromium hydrate and ferric blue; or metal
powders, such as aluminum powder or copper powder.
[0286] Mention may also be made of alkaline earth metal carbonates
(such as calcium carbonate or magnesium carbonate), silicon
dioxide, quartz and any other compound used as inert filler in
cosmetic compositions, provided that these compounds contribute
color or whiteness to the composition under the conditions under
which they are employed.
[0287] The pigment can be an organic pigment. The term "organic
pigment" means any pigment that satisfies the definition in
Ullmann's encyclopaedia in the chapter on organic pigments.
[0288] The organic pigment can in particular be chosen from
nitroso, nitro, azo, xanthene, pyrene, quinoline, anthraquinone,
triphenylmethane, fluoran or phthalocyanine compounds, compounds of
metal complex type, or isoindolinone, isoindoline, quinacridone,
perinone, perylene, diketopyrrolopyrrole, indigo, thioindigo,
dioxazine, triphenylmethane and quinophthalone compounds.
[0289] Use may also be made of any inorganic or organic compound
which is insoluble in the composition and which is conventional in
the cosmetics field, provided that these compounds contribute color
or whiteness to the composition under the conditions under which
they are employed, for example guanine, which, according to the
refractive index of the composition, is a pigment.
[0290] In particular, the white or colored organic pigments can be
chosen from carmine, carbon black, aniline black, azo yellow,
quinacridone, phthalocyanine blue, the blue pigments codified in
the Color Index under the references CI 42090, 69800, 69825, 73000,
74100 and 74160, the yellow pigments codified in the Color Index
under the references CI 11680, 11710, 15985, 19140, 20040, 21100,
21108, 47000 and 47005, the green pigments codified in the Color
Index under the references CI 61565, 61570 and 74260, the orange
pigments codified in the Color Index under the references CI 11725,
15510, 45370 and 71105, the red pigments codified in the Color
Index under the references CI 12085, 12120, 12370, 12420, 12490,
14700, 15525, 15580, 15620, 15630, 15800, 15850, 15865, 15880,
17200, 26100, 45380, 45410, 58000, 73360, 73915 and 75470, and the
pigments obtained by oxidative polymerization of indole or phenol
derivatives, as are described in the patent FR 2 679 771.
[0291] Mention may also be made, as example, of pigment pastes
formed of organic pigment, such as the products sold by Hoechst
under the names:
[0292] Cosmenyl Yellow 10G: Pigment Yellow 3 (CI 11710);
[0293] Cosmenyl Yellow G: Pigment Yellow 1 (CI 11680);
[0294] Cosmenyl Orange GR: Pigment Orange 43 (CI 71105);
[0295] Cosmenyl Red R: Pigment Red 4 (CI 12085);
[0296] Cosmenyl Carmine FB: Pigment Red 5 (CI 12490);
[0297] Cosmenyl Violet RL: Pigment Violet 23 (CI 51319);
[0298] Cosmenyl Blue A2R: Pigment Blue 15.1 (CI 74160);
[0299] Cosmenyl Green GG: Pigment Green 7 (CI 74260);
[0300] Cosmenyl Black R: Pigment Black 7 (CI 77266).
[0301] The pigments in accordance with the invention can also be in
the form of composite pigments, as are described in the patent EP 1
184 426. These composite pigments may be composed especially of
particles comprising a mineral core, at least one binder, which
provides for the attachment of the organic pigments to the core,
and at least one organic pigment which at least partially covers
the core.
[0302] The organic pigment can also be a lake. The term "lake" is
understood to mean dyes adsorbed onto insoluble particles, the
combination thus obtained remaining insoluble during use.
[0303] The mineral substrates onto which the dyes are adsorbed are,
for example, alumina, silica, calcium sodium borosilicate, calcium
aluminum borosilicate and aluminum.
[0304] Mention may be made, among the dyes, of carminic acid.
Mention may also be made of the dyes known under the following
names: D&C Red 21 (CI 45 380), D&C Orange 5 (CI 45 370),
D&C Red 27 (CI 45 410), D&C Orange 10 (CI 45 425), D&C
Red 3 (CI 45 430), D&C Red 4 (CI 15 510), D&C Red 33 (CI 17
200), D&C Yellow 5 (CI 19 140), D&C Yellow 6 (CI 15 985),
D&C Green (CI 61 570), D&C Yellow 1 0 (CI 77 002), D&C
Green 3 (CI 42 053) or D&C Blue 1 (CI 42 090).
[0305] Mention may be made, as examples of lakes, of the product
known under the following name: D&C Red 7 (CI 15 850:1).
[0306] The pigment can also be a special effect pigment. The term
"special effects pigments" means pigments that generally create a
colored appearance (characterized by a certain shade, a certain
vivacity and a certain level of luminance) that is non-uniform and
that changes as a function of the conditions of observation (light,
temperature, angles of observation, etc.). They thus contrast with
colored pigments that afford a standard uniform opaque,
semi-transparent or transparent shade.
[0307] There exist several types of special effect pigments: those
with a low refractive index, such as fluorescent, photochromic or
thermochromic pigments, and those with a higher refractive index,
such as pearlescent agents, interferential pigments or glitter.
[0308] Mention may be made, as examples of special effect pigments,
of pearlescent pigments, such as mica covered with titanium or with
bismuth oxychloride, colored pearlescent pigments, such as mica
covered with titanium and with iron oxides, mica covered with iron
oxide, mica covered with titanium and in particular with ferric
blue or chromium oxide or mica covered with titanium and with an
organic pigment as defined above, and pearlescent pigments based on
bismuth oxychloride. Mention may be made, as pearlescent pigments,
of the following pearlescent agents: Cellini sold by Engelhard
(mica-TiO.sub.2-lake), Prestige sold by Eckart (mica-TiO.sub.2),
Prestige Bronze sold by Eckart (mica-Fe.sub.2O.sub.3) or Colorona
sold by Merck (mica-TiO.sub.2--Fe.sub.2O.sub.3).
[0309] Mention may also be made of pearlescent agents of gold color
sold in particular by Engelhard under the name Brilliant Gold 212G
(Timica), Gold 222C (Cloisonne), Sparkle Gold (Timica), Gold 4504
(Chromalite) and Monarch Gold 233X (Cloisonne); bronze pearlescent
agents sold in particular by Merck under the names Bronze Fine
(17384) (Colorona) and Bronze (17353) (Colorona) and by Engelhard
under the name Super Bronze (Cloisonne); orange pearlescent agents
sold in particular by Engelhard under the name Orange 363C
(Cloisonne) and Orange MCR 101 (Cosmica) and by Merck under the
names Passion Orange (Colorona) and Matte Orange (17449) (Microna);
brown-colored pearlescent agents sold in particular by Engelhard
under the names Nu-Antique Copper 340XB (Cloisonne) and Brown
CL4509 (Chromalite); pearlescent agents with a copper glint sold in
particular by Engelhard under the name Copper 340A (Timica);
[0310] pearlescent agents with a red glint sold in particular by
Merck under the name Sienna Fine (17386) (Colorona); pearlescent
agents with a yellow glint sold in particular by Engelhard under
the name Yellow (4502) (Chromalite); red-colored pearlescent agents
with a gold glint sold in particular by Engelhard under the name
Sunstone G012 (Gemtone); pink pearlescent agents sold in particular
by Engelhard under the name Tan Opale G005 (Gemtone); black
pearlescent agents with a gold glint sold in particular by
Engelhard under the name Nu-Antique Bronze 240 AB (Timica), blue
pearlescent agents sold in particular by Merck under the name Matte
Blue (17433) (Microna), white pearlescent agents with a silvery
glint sold in particular by Merck under the name Xirona Silver, and
golden green pinkish orangey pearlescent agents sold in particular
by Merck under the name Indian Summer (Xirona), and their
mixtures.
[0311] Mention may also be made, still as examples of pearlescent
agents, of particles comprising a borosilicate substrate coated
with titanium oxide.
[0312] Particles comprising a glass substrate coated with titanium
oxide are sold in particular under the name Metashine MC1080RY by
Toyal.
[0313] Finally, mention may also be made, as examples of
pearlescent agents, of polyethylene terephthalate glitter, in
particular that sold by Meadowbrook Inventions under the name
Silver 1P 0.004X0.004 (silver glitter).
[0314] It is also possible to envisage multilayer pigments based on
synthetic substrates, such as alumina, silica, calcium sodium
borosilicate, calcium aluminum borosilicate and aluminum.
[0315] The special effect pigments can also be chosen from
reflective particles, that is to say in particular particles having
a size, a structure, in particular a thickness of the layer or
layers of which it is composed and their physical and chemical
nature, and a surface condition which allow them to reflect
incident light. This reflection may, if appropriate, have an
intensity sufficient to create, at the surface of the composition
or mixture, when the latter is applied to the substrate to be made
up, highlight points visible to the naked eye, that is to say more
luminous points which contrast with their surroundings by appearing
to sparkle.
[0316] The reflective particles can be selected so as not to
detrimentally affect, to a significant extent, the coloring effect
generated by the coloring agents which are combined with them and
more particularly so as to optimize this effect in terms of color
rendition. They can more particularly have a yellow, pink, red,
bronze, orangey, brown, gold and/or coppery color or glint.
[0317] These particles can exhibit varied forms and can in
particular be in the platelet or globular form, especially the
spherical form.
[0318] The reflective particles, whatever their form, may or may
not exhibit a multilayer structure and, in the case of a multilayer
structure, may exhibit, for example, at least one layer of uniform
thickness, in particular of a reflective material.
[0319] When the reflective particles do not exhibit a multilayer
structure, they can be composed, for example, of metal oxides, in
particular of titanium or iron oxides obtained synthetically.
[0320] When the reflective particles exhibit a multilayer
structure, they can, for example, comprise a natural or synthetic
substrate, in particular a synthetic substrate, at least partially
coated with at least one layer of a reflective material, in
particular of at least one metal or metal material. The substrate
can be made of one or more organic and/or inorganic materials.
[0321] More particularly, it can be chosen from glasses, ceramics,
graphite, metal oxides, aluminas, silicas, silicates, in particular
aluminosilicates and borosilicates, synthetic mica and their
mixtures, this list not being limiting.
[0322] The reflective material can comprise a layer of metal or of
a metal material.
[0323] Reflective particles are described in particular in the
documents JP-A-09188830, JP-A-10158450, JP-A-10158541,
JP-A-07258460 and JP-A-05017710.
[0324] Mention may also be made, still by way of example of
reflective particles comprising an inorganic substrate coated with
a layer of metal, of the particles comprising a borosilicate
substrate coated with silver.
[0325] Particles comprising a glass substrate coated with silver,
in the form of platelets, are sold under the name Microglass
Metashine REFSX 2025 PS by Toyal. Particles comprising a glass
substrate coated with nickel/chromium/molybdenum alloy are sold
under the names Crystal Star GF 550 and GF 2525 by this same
company.
[0326] Use may also be made of particles comprising a metal
substrate, such as silver, aluminum, iron, chromium, nickel,
molybdenum, gold, copper, zinc, tin, magnesium, steel, bronze or
titanium, said substrate being coated with at least one layer of at
least one metal oxide, such as titanium oxide, aluminum oxide, iron
oxide, cerium oxide, chromium oxide, silicon oxides and mixtures
thereof.
[0327] Examples that may be mentioned include aluminum powder,
bronze powder or copper powder coated with SiO.sub.2 sold under the
name Visionaire by the company Eckart.
[0328] Mention may also be made of pigments with an interference
effect not bound to a substrate, for instance liquid crystals
(Helicones HC from Wacker), holographic interference flakes
(Geometric Pigments or Spectra f/x from Spectratek). Special effect
pigments also comprise fluorescent pigments, whether substances
which are fluorescent in daylight or which produce ultraviolet
fluorescence, phosphorescent pigments, photochromic pigments,
thermochromic pigments and quantum dots, for example sold by
Quantum Dots Corporation.
[0329] Quantum dots are luminescent semiconductor nanoparticles
capable of emitting, under light excitation, radiation exhibiting a
wavelength of between 400 nm and 700 nm. These nanoparticles are
known from the literature. In particular, they can be synthesized
according to the processes described, for example, in U.S. Pat. No.
6,225,198 or U.S. Pat. No. 5,990,479, in the publications which are
cited therein and in the following publications: Dabboussi B. O. et
al., "(CdSe)ZnS core-shell quantum dots: synthesis and
characterization of a size series of highly luminescent
nanocrystallites", Journal of Physical Chemistry B, vol. 101, 1997,
pp. 9463-9475, and Peng, Xiaogang et al., "Epitaxial growth of
highly luminescent CdSe/CdS core/shell nanocrystals with
photostability and electronic accessibility", Journal of the
American Chemical Society, vol. 119, No. 30, pp. 7019-7029.
[0330] The variety of pigments that may be used in the present
invention makes it possible to obtain a wide range of colors, and
also particular optical effects such as metallic effects or
interference effects.
[0331] The size of the pigment used in the cosmetic composition
according to the present invention is generally between 10 nm and
200 .mu.m, preferably between 20 .mu.m and 80 .mu.m and more
preferentially between 30 nm and 50 .mu.m.
[0332] The pigments may be dispersed in the product by means of a
dispersant.
[0333] The dispersant serves to protect the dispersed particles
against agglomeration or flocculation. This dispersant can be a
surfactant, an oligomer, a polymer or a mixture of several of them
carrying one or more functionalities having a strong affinity for
the surface of the particles to be dispersed. In particular, they
can become attached physically or chemically to the surface of the
pigments. These dispersants additionally exhibit at least one
functional group compatible with or soluble in the continuous
medium. Use is made in particular of esters of 12-hydroxystearic
acid, in particular, and of C.sub.8 to C.sub.20 fatty acid and of
polyol, for instance glycerol or diglycerol, such as
poly(l2-hydroxystearic acid) stearate with a molecular weight of
approximately 750 g/mol, such as that sold under the name of
Solsperse 21 000 by Avecia, polyglyceryl-2 dipolyhydroxystearate
(CTFA name), sold under the reference Dehymyls PGPH by Henkel, or
polyhydroxystearic acid, such as that sold under the reference
Arlacel P100 by Uniqema, and their mixtures.
[0334] Mention may be made, as other dispersant which can be used
in the compositions of the invention, of the quaternary ammonium
derivatives of polycondensed fatty acids, such as Solsperse 17 000,
sold by Avecia, or polydimethylsiloxane/oxypropylene mixtures, such
as those sold by Dow Corning under the references DC2-5185 and
DC2-5225 C.
[0335] The pigments used in the cosmetic composition according to
the invention may be surface-treated with an organic agent.
[0336] Thus, the pigments that have been surface-treated
beforehand, which are useful in the context of the invention, are
pigments that have totally or partially undergone a surface
treatment of chemical, electronic, electrochemical, mechanochemical
or mechanical nature, with an organic agent such as those described
especially in Cosmetics and Toiletries, February 1990, vol. 105,
pp. 53-64, before being dispersed in the composition in accordance
with the invention. These organic agents can, for example, be
chosen from waxes, for example carnauba wax and beeswax; fatty
acids, fatty alcohols and their derivatives, such as stearic acid,
hydroxystearic acid, stearyl alcohol, hydroxystearyl alcohol,
lauric acid and their derivatives; anionic surfactants; lecithins;
sodium, potassium, magnesium, iron, titanium, zinc or aluminum
salts of fatty acids, for example aluminum stearate or laurate;
metal alkoxides; polyethylene; (meth)acrylic polymers, for example
polymethyl methacrylates; polymers and copolymers comprising
acrylate units; alkanolamines; silicone compounds, for example
silicones or polydimethylsiloxanes; fluorinated organic compounds,
for example perfluoroalkyl ethers; or fluorosilicone compounds.
[0337] The surface-treated pigments of use in the cosmetic
composition according to the invention may also have been treated
with a mixture of these compounds and/or have undergone several
surface treatments.
[0338] The surface-treated pigments of use in the context of the
present invention can be prepared according to surface treatment
techniques well known to a person skilled in the art or found as
such commercially.
[0339] Preferably, the surface-treated pigments are covered with an
organic layer.
[0340] The organic agent with which the pigments are treated can be
deposited on the pigments by solvent evaporation, chemical reaction
between the molecules of the surface agent or creation of a
covalent bond between the surface agent and the pigments.
[0341] The surface treatment can thus be carried out, for example,
by chemical reaction of a surface agent with the surface of the
pigments and creation of a covalent bond between the surface agent
and the pigments or fillers. This method is described in particular
in the U.S. Pat. No. 4,578,266.
[0342] Preferably, use will be made of an organic agent covalently
bonded to the pigments.
[0343] The agent for the surface treatment can represent from 0.1%
to 50% by weight, preferably from 0.5% to 30% by weight and more
preferentially still from 1% to 10% by weight of the total weight
of the surface-treated pigment.
[0344] Preferably, the surface treatments of the pigments are
chosen from the following treatments:
[0345] a PEG-silicone treatment, such as the AQ surface treatment
sold by LCW;
[0346] a methicone treatment, for instance the SI surface treatment
sold by LCW;
[0347] a dimethicone treatment, such as the Covasil 3.05 surface
treatment sold by LCW;
[0348] a dimethicone/trimethylsiloxysilicate treatment, such as the
Covasil 4.05 surface treatment sold by LCW;
[0349] a magnesium myristate treatment, such as the MM surface
treatment sold by LCW;
[0350] an aluminum dimyristate treatment, such as the MI surface
treatment sold by Miyoshi;
[0351] a perfluoropolymethylisopropyl ether treatment, such as the
FHC surface treatment sold by LCW;
[0352] an isostearyl sebacate treatment, such as the HS surface
treatment sold by Miyoshi;
[0353] a perfluoroalkyl phosphate treatment, such as the PF surface
treatment sold by Daito;
[0354] an acrylate/dimethicone copolymer and perfluoroalkyl
phosphate treatment, such as the FSA surface treatment sold by
Daito;
[0355] a polymethylhydrosiloxane/perfluoroalkyl phosphate
treatment, such as the FS01 surface treatment sold by Daito;
[0356] an acrylate/dimethicone copolymer treatment, such as the ASC
surface treatment sold by Daito;
[0357] an isopropyl titanium triisostearate treatment, such as the
ITT surface treatment sold by Daito;
[0358] an acrylate copolymer treatment, such as the APD surface
treatment sold by Daito;
[0359] a perfluoroalkyl phosphate/isopropyl titanium triisostearate
treatment, such as the PF+ITT surface treatment sold by Daito.
[0360] Preferably, the pigment is chosen from inorganic pigments or
inorganic/organic mixed pigments.
[0361] The amount of pigment(s) may range from 0.01% to 30% by
weight, more particularly from 0.05% to 20% by weight and
preferably from 0.1% to 15% by weight relative to the total weight
of the composition.
[0362] The composition of the invention can comprise other colored
or coloring entities, such as direct dyes or dye precursors.
[0363] Thickener
[0364] According to a preferred embodiment, the composition
according to the invention comprises at least one thickener chosen
from polymeric or non-polymeric and inorganic or organic
thickeners, and their mixtures.
[0365] The term "thickener" is understood to mean a compound which
modifies the rheology of the medium in which it is
incorporated.
[0366] According to a specific embodiment of the invention, the
composition comprises at least one inorganic thickener.
[0367] Preferably, the thickener or thickeners are chosen from
fumed silica, clays or their mixtures.
[0368] The fumed silicas can be obtained by high-temperature
pyrolysis of a volatile silicon compound in an oxhydric flame,
producing a finely divided silica. This process makes it possible
in particular to obtain hydrophilic silicas which exhibit a large
number of silanol groups at their surface. Such hydrophilic silicas
are sold, for example, under the names Aerosil 130.RTM., Aerosil
200.RTM., Aerosil 255.RTM., Aerosil 300.degree. and Aerosil
380.degree. by the company Degussa and Cab-O-Sil HS-5.RTM.,
Cab-O-Sil EH-5.RTM., Cab-O-Sil LM-130.RTM., Cab-O-Sil MS-55.RTM.
and Cab-O-Sil M-5.RTM. by the company Cabot.
[0369] It is possible to chemically modify the surface of said
silica via a chemical reaction which brings about a reduction in
the number of silanol groups. It is possible in particular to
replace silanol groups with hydrophobic groups: a hydrophobic
silica is then obtained.
[0370] The hydrophobic groups may be:
[0371] trimethylsiloxyl groups, which are obtained in particular by
treating fumed silica in the presence of hexamethyldisilazane.
Silicas thus treated are known as "silica silylate" according to
the CTFA (6.sup.th edition, 1995). They are sold, for example,
under the references Aerosil R812.RTM. by the company Degussa, and
Cab-O-Sil TS-530.RTM. by the company Cabot;
[0372] dimethylsilyloxyl or polydimethylsiloxane groups, which are
obtained in particular by treating fumed silica in the presence of
polydimethylsiloxane or dimethyldichlorosilane. Silicas thus
treated are known as Silica Dimethyl Silylate according to the CTFA
(6th edition, 1995). They are sold, for example, under the
references Aerosil R972.RTM. and Aerosil R974.RTM. by the company
Degussa, and Cab-O-Sil TS-610.RTM. and Cab-O-Sil TS-720.RTM. by the
company Cabot.
[0373] The fumed silica preferably has a particle size that may be
nanometric to micrometric, for example ranging from about 5 to 200
nm.
[0374] Clays are well-known products which are described, for
example, in the publication Mineralogie des argiles [Mineralogy of
Clays], S. Caillere, S. Henin and M. Rautureau, 2nd Edition, 1982,
Masson.
[0375] Clays are silicates including a cation which can be chosen
from calcium, magnesium, aluminum, sodium, potassium or lithium
cations, and their mixtures.
[0376] Mention may be made, as examples of such products, of clays
of the family of the smectites, such as montmorillonites,
hectorites, bentonites, beidellites or saponites, and also of the
family of the vermiculites, stevensites or chlorites.
[0377] These clays can be of natural or synthetic origin. Use is
preferably made of clays which are cosmetically compatible with and
acceptable to keratin materials.
[0378] Mention may be made, as clay which can be used according to
the invention, of synthetic hectorites (also known as laponites),
such as the products sold by Laporte under the names Laponite XLG,
Laponite RD and Laponite RDS (these products are sodium magnesium
silicates and in particular lithium magnesium sodium silicates);
bentonites, such as the product sold under the name Bentone HC by
Rheox; magnesium aluminum silicates, in particular hydrated, such
as the product sold by Vanderbilt Company under the name Veegum
Ultra, or calcium silicates and in particular that in synthetic
form sold by the company under the name Micro-Cel C.
[0379] The organophilic clay can be chosen from montmorillonite,
bentonite, hectorite, attapulgite or sepiolite, and mixtures
thereof. The clay is preferably a bentonite or a hectorite.
[0380] These clays may be modified with a chemical compound chosen
from quaternary amines, tertiary amines, amine acetates,
imidazolines, amine soaps, fatty sulfates, alkylarylsulfonates and
amine oxides, and mixtures thereof.
[0381] Mention may be made, as organophilic clays, of quaternium-18
bentonites, such as those sold under the names Bentone 3, Bentone
38 and Bentone 38V by Rheox, Tixogel VP by United Catalyst and
Claytone 34, Claytone 40 and Claytone XL by Southern Clay;
stearalkonium bentonites, such as those sold under the names
Bentone 27 by Rheox, Tixogel LG by United Catalyst and Claytone AF
and Claytone APA by Southern Clay; and quaternium-18/benzalkonium
bentonites, such as those sold under the names Claytone HT and
Claytone PS by Southern Clay.
[0382] The thickener can also be chosen from organic compounds.
[0383] Examples that may be mentioned include the following
polymeric or non-polymeric products:
[0384] C.sub.10-C.sub.30 fatty amides, such as lauric
diethanolamide,
[0385] the polyglyceryl(meth)acrylate polymers sold under the
Hispagel or Lubragel names by Hispano Quimica or Guardian,
[0386] polyvinylpyrrolidone;
[0387] polyvinyl alcohol,
[0388] crosslinked acrylamide polymers and copolymers, such as
those sold under the names PAS 5161 or Bozepol C by Hoechst or
Sepigel 305 by SEPPIC by Allied Colloid, or alternatively
[0389] the crosslinked methacryloyloxyethyltrimethylammonium
chloride homopolymers sold under the name Salcare SC95 by Allied
Colloid,
[0390] associative polymers and especially associative
polyurethanes.
[0391] Such thickeners are described especially in the application
EP-A-1400234.
[0392] Preferably, the composition comprises at least one mineral
thickener which is preferably chosen from clays and, even more
advantageously, from smectites.
[0393] The thickener is present in the composition in a total
content ranging from 0.1% to 10% by weight, with respect to the
weight of the composition.
[0394] The composition according to the invention comprises water,
which can preferably be present in a content ranging from 20% to
98% by weight, with respect to the weight of the composition.
[0395] The compositions can also comprise at least one agent
commonly used in cosmetics, for example chosen from reducing
agents, fatty substances, organic solvents or oils, softening
agents, anti-foaming agents, moisturizing agents, UV screening
agents, peptizing agents, solubilizing agents, fragrances, anionic,
cationic, non-ionic or amphoteric surfactants, proteins, vitamins,
propellants, oxyethylenated or non-oxyethylenated waxes, paraffins
or C.sub.10-C.sub.30 fatty acids, such as stearic acid or lauric
acid.
[0396] The above additives are generally present in an amount for
each of them of between 0.01% and 20% by weight, with respect to
the weight of the composition.
[0397] Of course, a person skilled in the art will take care to
choose this or these optional additive(s) so that the advantageous
properties intrinsically attached to the formation of the sheathing
in accordance with the invention are not, or not substantially,
detrimentally affected.
[0398] The composition according to the invention may especially be
in the form of a suspension, a dispersion, a gel, an emulsion,
especially an oil-in-water (O/W) or water-in-oil (W/O) emulsion, or
a multiple emulsion (W/O/W or polyol/O/W or O/W/O).
[0399] Those skilled in the art may select the appropriate
galenical form, and also the method for preparing it, on the basis
of their general knowledge, taking into account both the nature of
the constituents used, in particular their solubility in the
support, and the intended use of the composition.
COMPOSITION EXAMPLES
TABLE-US-00001 [0400] Composition A Styrene/acrylate copolymer in
aqueous dispersion, sold 21.2 g by BASF under the name Joncryl 77
i.e. 10% of AM Divinyl dimethicone/dimethicone copolymer as an 8.3
g aqueous emulsion, sold by Dow Corning under the i.e. 5% of AM
reference HMW 2220 Nonionic Emulsion Black 2 as an aqueous
dispersion, from Daito Kasei 10 g, Kogyo under the name WD-CB2 i.e.
2.5% of AM Water q.s. for 100 g
TABLE-US-00002 Composition B Styrene/acrylate copolymer in aqueous
dispersion, sold 21.2 g by BASF under the name Joncryl 77 i.e. 10%
of AM Divinyl dimethicone/dimethicone copolymer as an 8.3 g aqueous
emulsion, sold by Dow Corning under the i.e. 5% of AM reference HMW
2220 Nonionic Emulsion Clay (magnesium aluminum silicate), sold by
Vanderbilt 2 g under the name Veegum granules Nacre of mica coated
with brown iron oxide, sold by 6 g Eckart under the name Prestige
Soft Bronze Water q.s. for 100 g
TABLE-US-00003 Composition C Styrene/acrylate copolymer in aqueous
dispersion, 20 g, sold by BASF under the name Joncryl 77 i.e. 9.43%
of AM Divinyl dimethicone/dimethicone copolymer as an 7.9 g,
aqueous emulsion, sold by Dow Corning under the i.e. 4.76% of AM
reference HMW 2220 Nonionic Emulsion Clay (magnesium aluminum
silicate), sold by 1.8 g Vanderbilt under the name Veegum granules
Black 2 as an aqueous dispersion, from Daito 9 g, Kasei Kogyo under
the name WD-CB2 i.e. 2.25% of AM Water q.s. for 100 g
[0401] Of course, the invention is not limited to the exemplary
embodiments illustrated. The application member may be produced
with yet other arrangements of spikes. The product can have another
formulation.
[0402] Although the applicator according to the invention is very
particularly suitable for applying makeup to the eyebrows, it can
also be used for applying makeup to the eyelashes of the
eyelid.
[0403] The expression "comprising a" is synonymous with "comprising
at least one".
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