U.S. patent application number 09/357956 was filed with the patent office on 2001-08-16 for solid cosmetic composition and uses thereof.
Invention is credited to QUEMIN, ERIC, ROULIER, VERONIQUE.
Application Number | 20010014313 09/357956 |
Document ID | / |
Family ID | 9529218 |
Filed Date | 2001-08-16 |
United States Patent
Application |
20010014313 |
Kind Code |
A1 |
ROULIER, VERONIQUE ; et
al. |
August 16, 2001 |
SOLID COSMETIC COMPOSITION AND USES THEREOF
Abstract
A solid composition for topical application comprising, in an
aqueous phase, a gelling system comprising (i) gellan gum, (ii) at
least one other hydrocolloid chosen from the group formed by
xanthan gum, carboxymethylcellulose, hydroxypropylcellulose,
methylcellulose, hydroxypropylmethylcellulose,
hydroxyethylcellulose, agar-agar, carrageenans, alginates, carob
gum, guar gum, gum arabic, karaya gum, gum tragacanth, ghatti gum,
pectins, gelatin, caseinates and hydroxypropylguar, and (iii) at
least one amphiphilic polymer comprising at least one fatty chain
and at least one hydrophilic unit.
Inventors: |
ROULIER, VERONIQUE; (PARIS,
FR) ; QUEMIN, ERIC; (TREMBLAY EN FRANCE, FR) |
Correspondence
Address: |
OBLON SPIVAK MCCLELLAND MAIER & NEUSTADT PC
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON
VA
22202
US
|
Family ID: |
9529218 |
Appl. No.: |
09/357956 |
Filed: |
July 21, 1999 |
Current U.S.
Class: |
424/63 ; 424/400;
424/401; 424/484; 424/485; 424/486; 424/487; 424/488; 424/64;
424/65; 424/70.13; 424/70.7; 426/573 |
Current CPC
Class: |
Y10S 514/944 20130101;
A61Q 1/06 20130101; A61K 8/87 20130101; Y10S 514/844 20130101; A61K
8/73 20130101; A61Q 5/00 20130101; A61Q 19/00 20130101; A61K 8/0229
20130101; A61K 8/733 20130101; Y10S 424/05 20130101; A61K 2800/594
20130101 |
Class at
Publication: |
424/63 ; 424/401;
424/400; 424/484; 424/485; 424/486; 424/487; 424/488; 424/64;
424/65; 424/70.7; 424/70.13; 426/573 |
International
Class: |
A61K 007/021; A61K
007/025; A61K 007/32; A61K 007/06; A61K 007/11; A61K 009/00; A61K
006/00; A61K 007/00; A61K 009/14 |
Foreign Application Data
Date |
Code |
Application Number |
Jul 30, 1998 |
FR |
98 09793 |
Claims
What is claimed as new and is intended to be secured by Letters
Patent is:
1. A solid composition, comprising: in an aqueous phase, a gelling
system comprising (i) gellan gum, (ii) at least one other
hydrocolloid selected from the group consisting of xanthan gum,
carboxymethylcellulose, hydroxypropylcellulose, methylcellulose,
hydroxypropyl-methylcellulose, hydroxyethylcellulose, agar-agar,
carrageenans, alginates, carob gum, guar gum, gum arabic, karaya
gum, gum tragacanth, ghatti gum, pectins, gelatin, caseinates and
hydroxypropylguar, and (iii) at least one amphiphilic polymer
comprising at least one fatty chain and at least one hydrophilic
unit.
2. The composition according to claim 1, wherein the hydrocolloid
(ii) is selected from the group consisting of xanthan gum, carob
gum, carboxymethylcellulose, hydroxypropylguar, and mixtures
thereof.
3. The composition according to claim 1, wherein the gellan gum is
present in an amount ranging from 1.5-15% by weight, based on the
total weight of the composition.
4. The composition according to claim 1, wherein the amount of
hydrocolloid (ii) ranges from 0.1-10% by weight, based on the total
weight of the composition.
5. The composition according to claim 1, wherein the amphiphilic
polymer comprising at least one fatty chain and at least one
hydrophilic unit is selected from the group consisting of: (1)
holosides modified with groups comprising at least one fatty chain;
(2) copolymers of maleic anhydride or of a derivative thereof and
of monomers comprising at least one fatty chain; (3) polyurethanes
and derivatives thereof comprising groups comprising at least one
fatty chain; (4) copolymers of crotonic acid and of monomers
comprising at least one fatty chain; (5) copolymers of
N-vinylpyrrolidone and of monomers comprising at least one fatty
chain; (6) copolymers of (meth)acrylic acid and of monomers
comprising at least one fatty acid chain; (7) nonionic copolymers
of lower (C.sub.1-C.sub.6)-alkyl (meth)acrylate and of amphiphilic
monomers containing a fatty chain; and (8) nonicnic copolymers of
hydrophilic (meth)acrylates and of hydrophobic monomers containing
a fatty chain.
6. The composition according to claim 1, wherein the amount of
amphiphilic polymer ranges from 0.05-20% by weight, based on the
total weight of the composition.
7. The composition according to claim 1, wherein the gelling system
comprising (i), (ii) and (iii) represents from 2-30% by weight,
based on the total weight of the composition.
8. The composition according to claim 1, wherein the aqueous phase
represents from 60-97% by weight based on the total weight of the
composition.
9. The composition according to claim 1, which further comprises at
least one salt and/or a solvent other than water.
10. The composition according to claim 1, wherein the amount of
salt(s) ranges from 0.01-5% by weight based on the total weight of
the composition.
11. The composition according to claim 9, wherein the amount of
solvent(s) ranges from 0.01-20% by weight based on the total weight
of the composition.
12. The composition according to claim 1, which further comprises
at least one fatty phase.
13. The composition according to claim 12, wherein the amount of
the fatty phase ranges up to 30% by weight based on the total
weight of the composition.
14. A cosmetic or dermatological composition, comprising: the solid
composition according to claim 1.
15. The composition according to claim 1, which further comprises
at least one additive selected from the group consisting of
antioxidants, free-radical scavengers, water-soluble or liposoluble
dyes, fillers, lipophilic or hydrophilic active agents and
fragrances.
16. The composition according to claim 1, which further comprises
an active agent selected from the group consisting of hydrating
agents, UV screening agents, antidandruff agents, conditioners,
deodorant active agents, depigmenting agents, bleaching agents,
tensioning agents and anti-wrinkle agents, latices and
pseudolatices.
17. A make-up product, comprising: the composition according to
claim 1.
18. A product for the care and/or conditioning and/or hygiene of
the skin, mucous membranes, the scalp or the hair, comprising the
solid composition of claim 1.
19. A patch, comprising: the composition according to claim 1.
20. A process for the make-up of the skin and/or keratin fibers,
which consists of: applying the solid composition according to
claim 1 to the face, the lips, the contour of the eyes, the cheeks,
the contour of the lips, the eyelashes, the eyebrows, the hair
and/or the eyelids.
21. A process for cosmetically treating the skin, the hair, the
scalp and/or mucous membranes, consisting of: applying the solid
composition according to claim 1 to the skin, the hair, the scalp
and/or mucous membranes thereby caring for, conditioning or
hygienically treating these portions of the body.
22. A transfer-free make-up product, comprising: the solid
composition according to claim 1.
Description
BACKGROUND OF THE INVENTION
[0001] 1. Field of the Invention
[0002] The present invention relates to a solid composition for
topical application, as well as to its use in cosmetics and/or
dermatology, in particular for conditioning and/or treating the
skin, the scalp, the hair and/or mucous membranes, for making up
the skin and/or keratin fibers such as the eyelashes and the hair,
and for styling and/or shaping keratin fibers, and in particular
the hair.
[0003] 2. Description of the Background
[0004] Products in solid form are known in the cosmetics industry.
Products of this type include, for example, in the field of
make-up, tubes or "sticks" of lipstick, foundation or eyeshadow; in
the field of skin- or lip-care, lip-repair pencils and
depigmenting, make-up-removing or moisturizing tubes or "sticks";
in the field of hygiene, deodorant sticks and foaming sticks or
bars for shaving or washing the skin. Solid products also include
patches, which act, in particular, transdermally, for example,
either to make an active agent penetrate the skin or to cleanse the
skin.
[0005] Formulated sticks based on waxes have certain drawbacks:
they have a greasy nature which users do not appreciate and they
lack freshness when applied. In addition, it is difficult to
introduce hydrophilic active agents therein.
[0006] Moreover, non-greasy sticks such as deodorant sticks
generally contain a relatively large amount of fatty acid salts,
which may exhibit an irritant effect in applications where care of
the skin of the face is desired. Moreover, these sticks leave a
sticky film after application to the skin.
[0007] Aqueous rigid gels are disclosed in the publications
WO-A-97/17055 and WO-A-97/17053. However, these gels require a
fairly high concentration of gelling agent or involve a specific
preparation technique such as extrusion. In addition, the sticks
described in publication WO-A-97/17055 lack transparency and,
because of the high concentration of gelling agent, lack freshness
and softness when they are applied to the skin. The sticks
described in publication WO-A-97/17053 must be hydrated at the time
of use.
[0008] Publication EP 0 803 245 describes aqueous solid
compositions containing heat-reversible polysaccharides, a wetting
agent and a powdery phase (fillers). However, the presence of a
powdery phase may give rise to the drawbacks of a visible trace
when the composition is applied to the skin and a reduction in the
sensation of comfort of the skin. Further, when the powdery phase
is removed from the composition described in the publication, a
composition is obtained which is neither sufficiently solid nor
sufficiently stable, and which does not give satisfactory transfer
or deposition of the product on the skin. Thus, there is still a
need for a solid composition for topical application to the skin
which does not have the drawbacks of the prior art.
SUMMARY OF THE INVENTION
[0009] Accordingly, one object of the present invention is to
provide a composition which feels fresh when applied to the skin
and gives a good deposit of the product on the skin while at the
same time being sufficiently solid.
[0010] Briefly, this object and other objects of the present
invention as hereinafter will become more readily apparent can be
attained by a solid composition, comprising, in an aqueous phase, a
gelling system comprising (i) gellan gum, (ii) at least one other
hydrocolloid selected from the group consisting of xanthan gum,
carboxymethylcellulose, hydroxypropylcellulose, methylcellulose,
hydroxypropyl-methylcellulose, hydroxyethylcellulose, agar-agar,
carrageenans, alginates, carob gum, guar gum, gum arabic, karaya
gum, gum tragacanth, ghatti gum, pectins, gelatin, caseinates and
hydroxypropylguar, and (iii) at least one amphiphilic polymer
comprising at least one fatty chain and at least one hydrophilic
unit.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0011] The discovery of the present invention is a specific gelling
system based on hydrocolloids and an associative polymer for
preparing homogeneous, rigid, aqueous compositions which are stable
even at low contents of gelling agent, and which do not necessarily
require the use of a specific technique of preparation. In
addition, the gelling system permits the direct application of
product onto the skin without the necessity of prewetting the
skin.
[0012] An associative polymer is an amphiphilic polymer comprising
at least one fatty chain, and thus a hydrophobic portion, and at
least one hydrophilic unit, and thus a hydrophilic portion.
[0013] For the purposes of the present invention, the expression
"solid composition" refers to any composition which has a
compression strength of greater than or equal to 20 grams at room
temperature (20-25.degree. C.), after penetration with an
axisymmetric probe of diameter 0.8 cm into the matrix of the
composition to a depth of 1 mm at a speed of 0.5 mm/s and removal
of the probe from the matrix of the composition at a speed of 0.5
mm/s. Compression strength is measured with an analyzer such as the
"LFRA Texture Analyzer" sold by the company Stevens/Mechtric.
[0014] The solid composition of the invention can be applied
directly to a substrate, i.e. it does not need to be made wet to be
applied to the support, and in particular to the skin. The term
"substrate" for the composition of the invention means any surface
on which a topical application can be made, in particular the skin,
keratin fibers such as the eyelashes and the hair, the scalp and
mucous membranes such as the lips.
[0015] The gelling system of the invention gives, even in small
amounts, a solid composition whose strength and rigidity are
satisfactory while at the same time leaving a good deposit on the
skin.
[0016] In addition, unlike solid compositions comprising a large
proportion of powdered material, the composition of the invention
has the advantage of not leaving a visible powdery deposit when it
is applied to a substrate. Moreover, it has the property of being
transparent or translucent in the absence of oil.
[0017] Furthermore, the solid composition of the invention has good
transfer properties, i.e. when applied to a substrate, in that it
releases an effective amount of product onto the substrate, while
at the same time being particularly solid.
[0018] In the composition of the invention, the gellan gum is
present in an amount of at least 1.5% based on the total weight of
the composition, and, for example, in an amount ranging from
1.5-15%, preferably from 2-8% and better still from 2-4% by weight,
based on the total weight of the composition.
[0019] In a preferred embodiment of the invention, the hydrocolloid
(ii) is preferably selected from xanthan gum, carob gum,
carboxymethylcellulose and hydroxypropylguar, and mixtures
thereof.
[0020] The hydrocclloid(s) (ii) is (are) present in the composition
of the invention in an amount which can vary within a wide range.
Thus, this amount can range, for example, from 0.1-10%, preferably
from 1-5% and better still from 2-4%, by weight based on the total
weight of the composition.
[0021] Depending on the proportions, and in particular when the
total amount of hydrocolloids (gellan plus hydrocol Loid (ii))
exceeds 4%, the mixture can advantageously be prepared in a
twin-screw extruder by the technique described in document
EP-A-667,148.
[0022] Any associative polymer can be used in the composition of
the invention as amphiphilic polymer (iii). In this amphiphilic
polymer, the hydrophobic portion can be present in a reduced amount
with respect to the rest of the polymer chain, can be located
laterally relative to the chain and can be distributed randomly
(random copolymers) or distributed in the form of sequences or
grafts (block copolymers or sequenced copolymers). Moreover,
water-soluble or water-dispersible polymers or alternatively
water-swellable polymers can be used.
[0023] The amphiplhilic polymers can be of any chemical nature; it
is thus possible to choose polymers of natural origin, which are
optionally modified; radical polymers, in particular vinyl or
acrylic polymers; polycondensates; and mixtures thereof. They can
be ionic or nonionic, and are preferably anionic or nonionic.
[0024] The amphiphilic polymers comprising at least one fatty chain
and at least one hydrophilic unit, which are used in the invention,
are preferably selected from the group consisting of:
[0025] (1) holosides modified with groups comprising at least one
fatty chain. Modified holosides include, for example:
[0026] celluloses or derivatives thereof, modified with groups
comprising at least one fatty chain such as an alkyl, arylalkyl or
alkylaryl group or mixtures thereof in which the alkyl groups
contains from 8-22 carbon atoms;
[0027] nonionic alkylhydroxyethylcelluloses such as the products
Natrosol Plus Grade 330 CS, Polysurf 67 and ADX 410, (C.sub.16
alkyl) sold by Aqualon;
[0028] quaternized (cationic) alkylhydroxyethylcelluloses such as
the products Quatrisoft LM 200, Quatrisoft LM-X 529-18-A,
Quatrisoft LM-X 529-18-B (C.sub.12 alkyl) and Quatrisoft LM-X 529-8
(C.sub.18 alkyl) sold by Amerchol and the products Crodacel QM,
Crodacel QL (C.sub.12 alkyl) and Crodacel QS (C.sub.18 alkyl) sold
by Croda;
[0029] nonionic nonoxynylhydroxyethylcelluloses such as the product
Amercell HM-1500 sold by Amerchol;
[0030] nonionic alkylcelluloses such as the product Bermocoll EHM
100 sold by Berol Nobel;
[0031] polyalcohol (C.sub.12-C.sub.18) saccharides such as the
product Emulsan (D-galactosamine/aminuronic acid mixture) and the
product Biosan LPS-50 sold by Petroferm;
[0032] hydroxypropylguars modified with a fatty chain such as the
product Esaflor HM 22 (modified with a C.sub.22 alkyl chain), sold
by Lamberti; the product Miracare XC 95-3 (modified with a C.sub.14
alkyl chain) and the product RE 205-146 (modified with a C.sub.20
alkyl chain) sold by Rhone-Poulenc;
[0033] (2) copolyners of maleic anhydride or of a derivative
thereof and of monomers comprising at least one fatty chain.
Examples which include:
[0034] N-octadecyl vinyl ether/maleic anhydride copolymers such as
the product Gantrez AN-8194 sold by ISP;
[0035] vinyl acetate/isobutyl monomaleate/vinyl neodecanoate
terpolymers such as the products ACV-4033 and 9649-147 sold by ISP,
the product Meypro-Fix 509 sold by Meyhall and the products
Densodrin BA and Lipoderm Liquor FP sold by BASF;
[0036] (3) polyurethanes and derivatives thereof comprising groups
containing at least one fatty chain such as, for example, the
following commercial products:
[0037] Rheolate 204, 205, 208, 210, 255 and 278 sold by Rheox;
Bermodol Pur 2130 sold by Berol Nobel; Acrysol SCT-275, Acrysol
RM-870, Acrysol RM-825, Acrysol 44 and Acrysol 46, DW-1206 B,
DW-1206 F, DW-1206 G and DW-1206 J sold by Rohm & Haas; Dapral
T 212 sold by Akzo; SER-AD FX 1100 sold by Huls; Borchigel LW.44
and Borchigel L.75.N sold by Borchers;
[0038] (4) copolymers of crotonic acid and of monomers comprising
at least one fatty chain such as vinyl acetate/crotonic acid/allyl
stearate terpolymers;
[0039] (5) copolymers of N-vinylpyrrolidone and of monomers
comprising at least one fatty chain such as olefins substituted
with an alkyl radical comprising a long hydrocarbon-based chain
such as, for example, the products Antaron V216 and Antaron V220
sold by ISP;
[0040] (6) copolymers of (meth)acrylic acid and of monomers
comprising at least one fatty chain; these monomers are selected
from hydrophobic monomers containing-a fatty chain, amphiphilic
monomers comprising a hydrophobic portion containing a fatty chain
and a hydrophilic portion, or mixtures thereof. Copolymers of this
type include, for example:
[0041] crosslinked copolymers of acrylic acid/C.sub.10-C.sub.30
alkyl acrylate such as the products Pemulen TR 1, Pemulen TR 2,
Carbopol 1382, Carbopol 1342 and Carbopol ETD 2020 sold by
Goodrich;
[0042] (meth)acrylic acid/ethyl acrylate/alkyl acrylate copolymers
such as the product Acuscl 823 sold by Rohm & Haas and the
product Imperon R sold by Hoechst;
[0043] acrylic acid/vinyl isodecanoate crosslinked copolymers such
as the product Stabylen 30 sold by 3V;
[0044] acrylic acid/vinylpyrrolidone/lauryl methacrylate
terpolymers such as the products Acrylidone LM, ACP-1184, ACP-1194
sold by ISP;
[0045] acrylic acid/lauryl (meth)acrylate copolymers such as the
products Coatex SX sold by Coatex;
[0046] (meth)acrylic acid/alkyl acrylate/polyethoxylated alkyl
allyl ether terpolyrners such as Rheovis -CR, -CR.sub.3, -CR.sub.2
and -CRX sold by Allied Colloids;
[0047] methacrylic acid/ethyl acrylate/polyethoxylated stearyl
allyl ether terpolymers such as the products Salcare-SC90 and -SC80
sold by Allied Colloids;
[0048] methacrylic acid/ethyl acrylate/polyoxyethylenated lauryl
acrylate terpolymers such as the product Rheo 2000 sold by
Coatex;
[0049] methacrylic acid/ethyl acrylate/polyoxyethylenated stearyl
methacrylate terpolymers such as the products Acrysol 22, Acrysol
25 and DW-1206A sold by Rohm & Haas;
[0050] methacrylic acid/ethyl acrylate/polyoxyethylenated
nonylphenyl acrylate copolymers such as the product Rheo 3000 sold
by Coatex;
[0051] acrylic acid/polyoxyethylenated stearyl monoitaconate
copolymers or acrylic acid/polyoxyethylenated cetyl monoitaconate
copolymers such as the products 8069-72A and 8069-72B sold by
National Starch;
[0052] copolymers of methacrylic acid/butyl acrylate/hydrophobic
monomer comprising at least one fatty chain such as the product
8069-146A sold by National Starch;
[0053] acrylic acid/C.sub.15 alkyl acrylate/polyethylene glycol
acrylate (28 mol of ethylene oxide) terpolymers such as the product
Dapral GE 202 sold by Akzo;
[0054] salts of a partial fatty acid ester of an acrylic
acid/dimethylethanolamine copolymer such as the product Dapral GE
202 DMA sold by Akzo;
[0055] copolymers of acrylic acid/acrylate/amphiphilic monomer
comprising a fatty chain containing urethane groups such as the
product Additol VXW 1312 sold by Hoechst;
[0056] acrylic copolymers modified with hydrophobic groups
containing a fatty chain such as the product Acusol 102 sold by
Rohm & Haas;
[0057] (7) nonionic copolymers of lower (C.sub.1-C.sub.6) alkyl
(meth)acrylate and of amphiphilic monomers comprising a fatty chain
such as, for example, copolymers of methyl
methacrylate/polyoxyethylenated stearyl acrylate such as the
product Antil 208 sold by Goldschmidt; and
[0058] (8) nonionic copolymers of hydrophilic (meth)acrylates and
of hydrophobic monomers containing a fatty chain such as, for
example, polyethylene glycol methacrylate/methyl methacrylate
copolymers.
[0059] In a preferred embodiment of the invention. the arnphiphilic
polymer is more particularly selected from polyurethanes and
modified holosides.
[0060] Either an amphiphilic polymer or a mixture of amphiphilic
polymers can be used in the composition of the invention.
[0061] The amphiphilic polymers are used in the composition of the
invention in an amount which is effective in obtaining the
estimated result. The amount of amphiphlic polymer(s) preferably
ranges from 0.05-20% by weight relative to the total weight of the
composition. More preferably, this amount ranges from 0.1-10% by
weight and even more preferably from 0.2-5% by weight relative to
the total weight of the composition.
[0062] The gelling system comprising the compounds (i), (ii) and
(iii) in the composition of the invention is used in an amount
which is effective in obtaining the estimated result. The gelling
system preferably represents from 2-30% and better still from 2-10%
by weight, based on the total weight of the composition.
[0063] The aqueous phase of the composition of the invention
generally represents from 60-97% and preferably from 80-95% by
weight, based on the total weight of the composition.
[0064] It is possible to modify the rigidity of the compositions of
the invention by adding thereto one or more salts which increase
the rigidity of the composition. These salts can be selected from
salts of mono-, di- or trivalent metals, and more particularly
alkali metal and alkaline-earth metal salts and in particular
sodium and calcium salts. The ions constituting these salts can be
selected, for example, from carbonates, bicarbonates, sulfates,
glycerophosphates, borates, chlorides, nitrates, acetates,
hydroxides and persulphates, as well as the salts of
.alpha.-hydroxy acids such as citrates, tartrates, lactates and
malates or of fruit acids, or alternatively salts of amino acids
such as aspartate, arginate, glycocholate and fumarate.
[0065] The salt is preferably selected from sodium, calcium,
magnesium, strontium, neodymium or manganese chloride, calcium,
magnesium or strontium nitrate, calcium or magnesium borate,
magnesium or calcium sulfate, and calcium or magnesium acetate, and
mixtures thereof.
[0066] The amount of salt(s) can range from 0.01-5% and preferably
from 0.1-2% based on the total weight of the composition.
[0067] In a preferred embodiment of the invention, the composition
also comprises at least one solvent other than water. Suitable
solvents include primary alcohols containing from 1-4 carbon atoms
such as ethanol and isopropanol, glycols such as propylene glycol,
butylene glycol, dipropylene glycol and diethylene glycol, glycol
ethers such as mono-, di- or tripropylene glycol
(C.sub.1-C.sub.4)alkyl ether or mono-, di- or triethylene glycol
(C.sub.1-C.sub.4) alkyl ether, and mixtures thereof The amount of
solvent(s) can range from 0.01-20% and preferably from 0.1-5% by
weight, based on the total weight of the composition.
[0068] The solid composition of the invention is advantageously a
composition for topical application, in particular a cosmetic or
dermatological composition. Such a composition comprises a medium
which is physiologically acceptable, in particular for the skin,
including the scalp, mucous membranes, the nails and/or keratin
fibers (hair or eyelashes).
[0069] According to one specific embodiment of the invention, the
composition also comprises at least one oil, this addition of oil
giving a greater sensation of comfort when the composition is
applied to the skin.
[0070] Suitable oils which can be used include mineral oils, oils
of plant origin, oils of animal origin, synthetic oils such as
fatty esters, silicone oils such as volatile silicone oils,
polymethylsiloxanes, polymethylphenylsiloxanes, polysiloxanes
modified with fatty acids, fatty alcohols and polyoxyalkylenes,
fluorosilicones and perfluoro oils. Other fatty substances such as
fatty acids, fatty alcohols and waxes can also be employed.
[0071] The oil(s) and the other fatty substances optionally present
constitute the fatty phase.
[0072] The fatty phase can be present in proportions ranging, for
example, up to 30%, preferably from 0.1-20% and better still from
0.5-10%, by weight of the total weight of the composition, these
proportions varying depending on the application selected.
[0073] The fatty phase can be introduced into the aqueous phase in
the presence of one or more surfactants to ensure better
dispersion.
[0074] The compositions of the invention can thus also contain one
or more nonionic, anionic, cationic or amphoteric surfactants of
the type usually employed in cosmetics and/or dermatology. The
amounts of surfactant(s) can range from 0.05-8% and better still
from 0.05-5% by weight, based on the total weight of the
composition.
[0075] The compositions of the invention can also contain additives
usually employed in cosmetics and/or dermatology. Suitable such
additives particularly include antioxidants and free-radical
scavengers, water-soluble dyes such as FD&C Red No. 4 and
D&C Green No. 5, and alternatively liposoluble dyes, if the
composition comprises a fatty chain, hydrophilic or lipophilic
active agents, fragrances and fillers.
[0076] The active agents can be selected, for example, from
hydrating or wetting agents such as polyols and in particular
glycerol, UV screening agents, antidandruff agents, conditioners,
deodorant active agents, depigmenting agents and bleaching agents,
tensioning agents and anti-wrinkle agents, latices and
pseudolatices, and any other active agent which is appropriate for
finishing the solid product in question.
[0077] Suitable latices and pseudolatices include, for example,
dispersions of synthetic polymers of the polycondensate type or of
the radical type. Suitable polymers constituting the latex or
pseudolatex include the anionic, cationic, nonionic and amphoteric
polyurethanes, polyurethane-acrylics,
polyurethane-polyvinylpyrrolidones, polyester-polyurethanes,
polyether-polyurethanes, polyureas, acrylic polymers, acrylic
copolymers, sulfonated isophthalic acid polymers and polymers
resulting from the radical polymerization of one or more radical
monomers. Suitable synthetic polymers which may be used in the
preparation of latices include in particular the dispersions of
polyester-polyurethanes and of the polyether-polyurethanes sold
under the names "Sancure 2060" (pelyester-polyurethane), "Sancure
2255" (polyester-polyurethane), "Sancure 815"
(polyester-polyurethane), "Sancure 878" (polyether-polyurethane)
and "Sancure 861", (polyether-polyurethane) by Sanncor, under the
names "Neorez R974" (polyester-poly-urethane), "Neorez R981"
(polyesterpoly-urethane), "Neorez R970" (polyether-polyurethane) by
ICI and the acrylic copolymer dispersion sold under the name
"Neocryl XK-90" by Zeneca.
[0078] Suitable fillers include, for example, insoluble dyes,
pigments and powders, and in particular, talc powders, starch
powders, acrylate polymer and copolymer powders, mica powder,
kaolin powder, polyamide (Nylon) powder, polyethylene powder,
silica powder and silicone powder.
[0079] These additives can be present in the final composition in
an amount ranging from 0-30% by weight, preferably from 0.5-20% and
even more particularly from 0.5-10% by weight, based on the total
weight of the composition.
[0080] Needless to say, the person of skill in the art will select
the one or more optional additives and the amounts thereof for a
given composition in order to obtain the advantageous properties
intrinsically desired for a composition of the invention. Of
course, the selection of additive(s) should not be such as to
substantially, adversely affect the properties of the composition
desired.
[0081] The compositions of the invention can constitute products
for the care and/or conditioning and/or hygiene of the skin, mucous
membranes, the scalp and/or the hair. Among the care, conditioning
or hygiene products in bar, stick or pencil form, such products
include, for example, hair care and solid gels for styling and/or
shaping the hair; in skincare, moisturizing products, slimming
products, depigmenting and bleaching products, and lipcare
products; for facial and/or body hygiene, shaving products and
deodorants.
[0082] Another object of the invention is a cosmetic treatment
process for the care and/or conditioning and/or hygiene of the
skin, the hair, the scalp and/or mucous membranes, this process
consisting in applying a solid composition as defined above to the
skin, the hair, the scalp and/or mucous membranes.
[0083] The compositions of the invention can also be employed in
make-up products such as lipsticks, foundations, eyeshadows,
blushers, concealers, mascaras, lip contour pencils, eye contour
pencils or stiiks for dyeing locks of hair. The compositions can,
in particular, constitute "transfer-free" make-up products, i.e.
products which deposit a film which, after application, does not
transfer or migrate or stain a surface with which the make-up
product applied to the skin may subsequently come into contact such
as clothing, glass, cups, or the like.
[0084] Thus, an aspect of the present invention is also the use of
the composition of the invention to formulate a transfer-free
make-up product. If the make-up product also contains a latex or a
pseudolatex, a product with good staying power is obtained.
[0085] An aspect of the present invention is also a process for
making-up the skin and/or keratin fibers, which consists in
applying a solid composition as defined above to the face, the
lips, the contour of the eyes, the cheeks, the contour of the lips,
the eyelashes, the eyebrows, the hair and/or the eyelids.
[0086] The composition of the invention can also constitute patches
which are intended for application directly onto the skin. These
patches may comprise the composition of the invention alone or
incorporated in a composite structure in the form of layers, which
can comprise in particular, besides the composition of the
invention, a support layer and/or a detachable protective
layer.
[0087] Thus, an aspect of the invention is also a patch which
comprises the present composition as defined above.
[0088] Having now generally described the invention, a further
understanding can be obtained by reference to certain specific
Examples which are provided herein for purpose of illustration only
and are not intended to be limiting unless otherwise specified. The
percentages in the Examples are expressed-by weight, except where
otherwise mentioned.
EXAMPLE 1
A Moisturizing Stick
[0089]
1 Gellan gum 2% Xanthan gum 1% Sodium chloride 1% Ethanol 1%
Polyurethane (SER-AD FX 1100) 0.5% Water qs 100%
[0090] The stick is prepared by mixing the constituents together at
80.degree. C. with stirring and casting while hot.
[0091] The stick obtained is transparent and deposits a film which
feels fresh when applied to the skin. In addition, it has good
hardness (700 g/cm.sup.2) and leaves a good deposit on the
skin.
COMPARATIVE EXAMPLE
[0092] The same composition as described above without
polyurethane, which has a satisfactory hardness (800 g/cm.sup.2),
but leaves virtually no deposit on the skin.
[0093] The disclosure of French priority Application No.9809793
filed Jul. 30, 1998 is hereby incorporated by reference into the
present application
[0094] Obviously, numerous modifications and variations of the
present invention are possible in light of the above teachings. It
is, therefore, to be understood that within the scope of the
appended claims, the invention may be practiced otherwise than as
specifically described herein.
* * * * *