Cosmetic composition comprising a combination of surfactants of carboxylate, acylisethionate and alkyl(poly)glycoside type

1. A cosmetic composition comprising:

at least one anionic surfactant of carboxylate type, chosen from acylsarcosinates corresponding to formula (IA):

R—C(O—N(CH3)—CH2—C(O)—OX   (IA)

wherein:

X is chosen from a hydrogen atom, an ammonium ion, an ion derived from an alkali metal or an alkaline-earth metal, or an ion derived from an organic amine; and

R is chosen from a linear or branched alkyl group comprising from 9 to 17 carbon atoms,

the anionic surfactant of carboxylate type being present in an amount ranging from about 3% to about 8% by weight, relative to the total weight of the composition;

at least one anionic surfactant of acylisethionate type chosen from compounds of formula (II):

R 1 COO—R 2 —SO 3 M (II)

wherein:

R 1 is chosen from a linear or branched alkyl group, comprising from 9 to 17 carbon atoms;

R 2 is chosen from a linear or branched alkylene group comprising from 2 to 4 carbon atoms; and

M is chosen from a hydrogen atom, an ammonium ion, an ion derived from an alkali metal or an alkaline-earth metal, or an ion derived from an organic amine,

the anionic surfactant of acylisethionate type being present in an amount ranging from about 1% to about 8% by weight, relative to the total weight of the composition, and

at least one nonionic surfactant of alkyl(poly)glycoside type present in an amount ranging from about 0.1% to about 10% by weight, relative to the total weight of the composition;

wherein the weight ratio of the surfactant of carboxylate type and the surfactant of acylisethionate type ranges from 0.6 to 2.

2. The composition according to claim 1 , wherein in formula (IA)

R is a linear alkyl group comprising 11 carbon atoms.

3. The composition according to claim 1 , wherein in formula (II)

R 1 is chosen from a linear or branched alkyl group, comprising from 11 to 15 carbon atoms; and

R 2 is chosen from a linear or branched alkylene group comprising 2 carbon atoms, or 3 carbon atoms.

4. The composition according to claim 1 , wherein the at least one nonionic surfactant of alkyl(poly)glycoside type is chosen from compounds of formula (III):

R 1 O—(R 2 O) t (G) v   (III)

wherein:

R 1 is chosen from a saturated or unsaturated, linear or branched alkyl group comprising from 8 to 24 carbon atoms, or an alkylphenyl group wherein the linear or branched alkyl group comprises from 8 to 24 carbon atoms,

R2 represents an alkylene group comprising from 2 to 4 carbon atoms,

G represents a saccharide unit comprising from 5 to 6 carbon atoms,

t is a number ranging from 0 to 10, and

v is a number ranging from 1 to 15.

5. The composition according to claim 1 , wherein the surfactant of carboxylate type is present in an amount greater than the amount of the surfactant of acyl isethionate type.

6. The composition according to claim 1 , wherein the composition is free of anionic surfactant of sulfate type.

7. The composition according to claim 1 , further comprising at least one additional sulfonate anionic surfactant other than isethionates, chosen from alkyl sulfoacetates, monoalkyl or dialkyl sulfosuccinates, monoalkyl or dialkyl ether sulfosuccinates, monoalkylamido or dialkylamido (ether) sulfosuccinates, acyl N-methyltaurates, or α-olefin sulfonates.

8. The composition according to claim 7 , wherein the additional sulfonate anionic surfactant is present in an amount ranging from about 0.05% to about 15% by weight, relative to the total weight of the composition.

9. The composition according to claim 1 , further comprising at least one additional surfactant chosen from amphoteric or zwitterionic surfactants, (C8-C20) alkylbetaines, (C8-C20)alkylamido(C3-C8)alkylbetaines, or mixtures thereof, present in an amount ranging from about 0.05% to about 15% by weight, relative to the total weight of the composition.

10. The composition according to claim 1 , further comprising at least one additional nonionic surfactant other than alkyl(poly)glycosides.

11. The composition according to claim 1 , wherein the total amount of surfactant ranges from about 3.2% to about 30% by weight, relative to the total weight of the composition.

12. The composition according to claim 1 , further comprising at least one cationic polymer, present in an amount ranging from about 0.05% to about 10% by weight, relative to the total weight of the composition.

13. The composition according to claim 1 , further comprising at least one silicone, present in an amount ranging from about 0.05% to about 10% by weight, relative to the total weight of the composition.

14. The composition according to claim 1 , wherein the weight ratio of the surfactant of carboxylate type and the surfactant of acylisethionate type ranges from 0.7 to 2.

15. The composition according to claim 1 , wherein the weight ratio of the surfactant of carboxylate type and the surfactant of acylisethionate type ranges from 0.6 to 1.7.

16. The composition according to claim 1 , wherein the weight ratio of the surfactant of carboxylate type and the surfactant of acylisethionate type ranges from 1.3 to 2.

17. The composition according to claim 1 , wherein the weight ratio of the surfactant of carboxylate type and the surfactant of acylisethionate type ranges from 1.3 to 1.7.

18. The composition according to claim 1 , wherein the at least one anionic surfactant of carboxylate type is chosen from palm itoylsarcosinates, stearoylsarcosinates, lauroylsarcosinates, cocoylsarcosinates and mixtures thereof.