Claims
- 1. A cosmetic composition comprising, in a cosmetically acceptable medium,
at least one amphiphilic polymer chosen from branched block copolymers comprising
(a) at least one nonionic unit derived from at least one monomer chosen from C1-C20 alkyl (meth)acrylates, N-mono-(C2-C12 alkyl)-(meth)acrylamides and N,N-di-(C2-C12 alkyl)-(meth)acrylamides, (b) at least one anionic unit derived from at least one monomer chosen from acrylic acid and methacrylic acid, and (c) at least one polyfunctional unit derived from at least one monomer comprising at least two polymerizable unsaturated functional groups, at least one cationic polymer, and at least 3% by weight, relative to the total weight of the composition, of at least one anionic surfactant.
- 2. The composition according to claim 1, wherein the at least one amphiphilic polymer has a structure comprising at least one hydrophilic block attached to at least one hydrophobic block, via the at least one polyfunctional unit (c).
- 3. The composition according to claim 1, wherein the at least one amphiphilic polymer has at least two glass transition temperatures (Tg) of which at least one is greater than room temperature (20° C.) and the other is less than room temperature.
- 4. The composition according to claim 1, wherein the at least one amphiphilic polymer is an anionic copolymer consisting essentially of
(a) nonionic units derived from butyl acrylate, (b) anionic units derived from methacrylic acid and acrylic acid, and (c) polyfunctional units derived from allyl methacrylate.
- 5. The composition according to claim 4, wherein the at least one amphiphilic polymer is an anionic copolymer consisting essentially of
(a) from 27.5 to 30.5 mol % of butyl acrylate, (b) from 26 to 36 mol % of acrylic acid and from 33.3 to 45.3 mol % of methacrylic acid, and (c) from 0.48 to 0.92 mol % of allyl methacrylate.
- 6. The composition according to claim 1, wherein the concentration of the at least one amphiphilic polymer ranges from 0.01 % to 10% by weight, relative to the total weight of the composition.
- 7. The composition according to claim 6, wherein the concentration of the at least one amphiphilic polymer ranges from 0.1 to 5% by weight, relative to the total weight of the composition.
- 8. The composition according to claim 1, wherein the at least one cationic polymer is chosen from cellulose ethers comprising quaternary ammonium groups, cationic cyclopolymers based on dimethyldiallylammonium chloride, cationic polysaccharides, quaternized polymers of vinylpyrrolidone and vinylimidazole and polycondensates of polyquaternary ammonium.
- 9. The composition according to claim 8, wherein the cationic polysaccharides are chosen from guar gums modified with a 2,3-epoxypropyltrimethylammonium salt.
- 10. The composition according to claim 1, wherein the at least one cationic polymer is present in an amount ranging from 0.001% to 10% by weight, relative to the total weight of the composition.
- 11. The composition according to claim 10, wherein the at least one cationic polymer is present in an amount ranging from 0.05 to 5% by weight, relative to the total weight of the composition.
- 12. The composition according to claim 11, wherein the at least one cationic polymer is present in an amount ranging from 0.05 to 1% by weight, relative to the total weight of the composition.
- 13. The composition according to claim 1, wherein the at least one anionic surfactant is chosen from alkyl sulphates, alkyl ether sulphates and alkyl ether carboxylates and mixtures thereof.
- 14. The composition according to claim 13, wherein the at least one anionic surfactant is chosen from alkali and alkaline-earth metal, ammonium, amine and amino alcohol salts of alkyl sulphates, alkyl ether sulphates and alkyl ether carboxylates.
- 15. The composition according to claim 1, wherein the concentration of the at least one anionic surfactant ranges from 5 to 35% by weight, relative to the total weight of the composition.
- 16. The composition according to claim 15, wherein the concentration of the at least one anionic surfactant ranges from 8 to 25% by weight, relative to the total weight of the composition.
- 17. The composition according to claim 1, further comprising at least one additional surfactant chosen from nonionic surfactants and amphoteric surfactants.
- 18. The composition according to claim 17, wherein the nonionic surfactants are chosen from C6-C24 alkyl polyglycosides.
- 19. The composition according to claim 17, wherein the amphoteric surfactants are chosen from (C8-C20 alkyl)betaines, (C8-C20 alkyl)amido(C2-C8 alkyl)betaines, alkylamphodiacetates and mixtures thereof.
- 20. The composition according to claim 1, further comprising at least one formulation additive chosen from associative and nonassociative, anionic, amphoteric, zwitterionic, nonionic and cationic, natural and synthetic, polymeric thickeners, nonpolymeric thickeners, pearlescent agents, opacifying agents, perfumes, mineral, vegetable, and synthetic oils, fatty acid esters, volatile silicones, nonvolatile silicones, organomodified silicones, and non-organomodified silicones, colorants, preservatives and pH-stabilizing agents.
- 21. The composition according to claim 20, wherein the nonpolymeric thickeners are chosen from acids and electrolytes.
- 22. The composition according to claim 1, wherein the composition is provided in a form chosen from shampoos, bath and shower products, and make-up removing products.
- 23. The composition according to claim 22, wherein the composition is provided in the form of a shampoo.
- 24. A process for treating a keratinous material comprising applying to said keratinous material a composition comprising
(a) at least one nonionic unit derived from at least one monomer chosen from C1-C20 alkyl (meth)acrylates, N-mono-(C2-C12 alkyl)-(meth)acrylamides and N,N-di-(C2-C12 alkyl)-(meth)acrylamides, (b) at least one anionic unit derived from at least one monomer chosen from acrylic acid and methacrylic acid, and (c) at least one polyfunctional unit derived from at least one monomer comprising at least two polymerizable unsaturated functional groups, at least one cationic polymer, and at least 3% by weight, relative to the total weight of the composition, of at least one anionic surfactant, and, after an optional exposure time, rinsing the keratinous material.
- 25. The process according to claim 24, wherein the at least one amphiphilic polymer has a structure comprising at least one hydrophilic block attached to at least one hydrophobic block, via the at least one polyfunctional unit (c).
- 26. The process according to claim 24, wherein the optional exposure time ranges from 0 seconds to 30 minutes.
Priority Claims (1)
Number |
Date |
Country |
Kind |
02 03955 |
Mar 2002 |
FR |
|
Parent Case Info
[0001] This application claims benefit of U.S. Provisional Application No. 60/394,719, filed Jul. 10, 2002.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60394719 |
Jul 2002 |
US |