Cosmetic composition comprising a combination of anionic surfactants of carboxylate and acylisethionate type

Abstract

The invention relates to a cosmetic composition comprising: —one or more anionic surfactants of carboxylate type, chosen from the compounds of formula (I), in a content of greater than or equal to 3% by weight relative to the total weight of the composition, and—one or more anionic surfactants of (C8-C22) acylisethionate type, in a content ranging from 2.5% to 8% by weight relative to the total weight of the composition. This composition is intended for the cosmetic treatment of keratin materials, and in particular for washing the hair. It has excellent foaming power.

Claims

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.sup.1COO—R.sup.2—SO.sub.3M  (II) wherein: R.sup.1 is chosen from a linear or branched alkyl group, comprising from 9 to 17 carbon atoms; R.sup.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 2.5% to about 8% by weight, relative to the total weight of the composition, at least one nonionic surfactant, and at least one cationic polymer, 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.sup.1 is chosen from a linear or branched alkyl group, comprising from 11 to 15 carbon atoms; and R.sup.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 anionic surfactant of acylisethionate type is present in an amount ranging from about 2.8% to about 7.5% by weight, relative to the total weight of the composition.

5. The composition according to claim 1, wherein the at least one acylsarcosinate is present in an amount greater than the amount of surfactant of acylisethionate 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.

10. The composition according to claim 9, wherein the additional surfactant is present in an amount ranging from about 0.05% to about 15% by weight, relative to the total weight of the composition.

11. The composition according to claim 1, wherein the at least one nonionic surfactant is chosen from compounds of formula (IV):
R.sub.1O—(R.sub.2O).sub.t(G).sub.v  (IV) wherein: R.sub.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, R.sub.2 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.

12. The composition according to claim 1, wherein the nonionic surfactant is present in an amount ranging from about 0.1% to about 10% by weight, relative to the total weight of the composition.

13. The composition according to claim 1, wherein the total amount of surfactant ranges from about 5.5% to about 30% by weight, relative to the total weight of the composition.

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

15. 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.

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 0.7 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 0.6 to 1.7.

18. 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.

19. 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.

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

Description

EXAMPLES

(1) In the examples that follow, all the amounts are given as mass percentages of active material relative to the total weight of the composition.

Example 1

(2) The following shampoo compositions were prepared from the ingredients indicated in the table below.

(3) For each of these compositions, the foaming power was determined by proceeding as follows:

(4) An amount of test composition is placed in a mixer, this amount being identical for all the compositions, and is diluted at an identical dilution rate for all the compositions; the mixture is mixed vigorously for 1 minute with a mechanical mixer, at room temperature (25° C.), and is then transferred immediately into a measuring cylinder. The volume of foam generated is then measured. The volume of foam thus obtained for each composition is also indicated in the table below.

(5) TABLE-US-00001 Composition A B C D E Sodium lauroyl — — — — — methyl isethionate (2) Sodium cocoyl 5 5 3.5 3 3 isethionate (1) Sodium lauroyl 6.5 6.5 4.5 4 4 sarcosinate (3) Cocoyl glucoside (4) 1.5 1.5 1 1.5 1.5 Cocoyl betaine (5) 6 6 4.5 3.6 3.6 Carbomer 0.25 0.25 0.25 0.25 0.25 Polyquaternium-10 0.52 0.52 0.52 0.88 0.88 Glycol distearate 1.2 — 1.2 1.2 1.2 Polydimethylsiloxane 1.75 — 1.75 1.75 — (60 000 cSt) Sodium chloride qs qs qs qs qs Preserving agent, qs qs qs qs qs fragrance Water qs 100% qs qs 100% qs qs 100% 100% 100% Total surfactant 19 19 13.5 12.1 12.1 content (weight %) Foam volume (ml) 480 500 370 380 480 (1) sold under the name Hostapon SCI 85 by the company Clariant (2) sold under the name Iselux by the company Innospec (3) sold under the name Oramix L30 by the company SEPPIC (4) sold under the name Plantacare 818 UP by the company BASF (5) sold under the name Dehyton AB 30 by the company BASF.

(6) The above results show that the compositions according to the invention have excellent foaming power. The foam is abundant, creamy and soft while at the same time remaining light.

(7) In addition, these compositions proved to have very good detergent power. Hair washed using these compositions is clean and also has a good level of conditioning, especially on dry hair, in particular in terms of sheen and lightness.

Example 2

(8) The following shampoo compositions were prepared from the ingredients indicated in the table below.

(9) For each of these compositions, the foaming power was determined in the same manner as in Example 1.

(10) TABLE-US-00002 Composition F G H Sodium lauroyl methyl 5 5.7 3.5 isethionate (1) Sodium lauroyl sarcosinate (2) 6.5 8 4.5 Cocoyl glucoside (3) 1.5 1 1 Cocoyl betaine (4) 6 1 4.5 Carbomer 0.25 0.25 0.25 Polyquaternium-10 0.52 0.52 0.52 Glycol distearate 1.2 1.2 1.2 Polydimethylsiloxane 1.75 1.75 1.75 (60 000 cSt) Preserving agent, fragrance qs qs qs Water qs 100% qs 100% qs 100% Total surfactant content 19 15.7 13.5 (weight %) Foam volume (ml) 470 470 370 (1) sold under the name Iselux by the company Innospec (2) sold under the name Oramix L30 by the company SEPPIC (3) sold under the name Plantacare 818 UP by the company BASF (4) sold under the name Dehyton AB 30 by the company BASF.

(11) The above results show that the above compositions also have excellent foaming power. The foam is abundant, creamy and soft while at the same time remaining light. In addition, these compositions proved to have very good detergent power. Hair washed using these compositions is clean and also has a good level of conditioning, especially on dry hair, in particular in terms of sheen and lightness.

Example 3

(12) The following shampoo compositions were prepared from the ingredients indicated in the table below.

(13) TABLE-US-00003 Composition I J Sodium lauroyl methyl isethionate (1) 3 — Sodium cocoyl isethionate (5) — 3 Sodium lauroyl sarcosinate (2) 4 4 Cocoyl glucoside (3) 1.5 1.5 Cocoyl betaine (4) 6 3.6 Sodium lauryl sulfoacetate (and) — 2 disodium laureth sulfosuccinate Carbomer 0.25 0.25 Polyquaternium-10 0.52 0.52 Glycol distearate 1.2 1.2 Polydimethylsiloxane 1.75 1.75 (60 000 cSt) Preserving agent, fragrance qs qs Water qs 100% qs 100% Total surfactant content (weight %) 14.5 14.1 Foam volume (ml) 340 380 (1) sold under the name Iselux LQ-CLR-SB by the company Innospec (2) sold under the name Oramix L30 by the company SEPPIC (3) sold under the name Plantacare 818 UP by the company BASF (4) sold under the name Dehyton AB 30 by the company BASF (5) sold under the name Hostapon SCI 85 by the company Clariant.

Example 4

(14) The following shampoo compositions were prepared from the ingredients indicated in the table below.

(15) TABLE-US-00004 Composition K L Sodium lauroyl methyl isethionate (1) 4.9 6.5 Sodium lauroyl sarcosinate (2) 3.3 5 Cocoyl glucoside (3) 4.9 3 Cocoyl betaine (4) 4.9 2.5 Carbomer 0.25 0.25 Polyquaternium-10 — 0.52 Glycol distearate — 1.2 Polydimethylsiloxane — 1.75 (60 000 cSt) Preserving agent, fragrance qs qs Water qs 100% qs 100% Total surfactant content (weight %) 18 17

(16) These compositions have excellent foaming power. The foam is abundant, creamy and soft while at the same time remaining light. In addition, these compositions proved to have very good detergent power. Hair washed using these compositions is clean and also has a good level of conditioning, especially on dry hair, in particular in terms of sheen and lightness.