COMPOSITION FOR CLEANSING A KERATIN MATERIAL CONTAINING AN AMINO ACID SURFACTANT

• US 20180116941A1
• Filed: 07/22/2015
• Published: 05/03/2018
• Est. Priority Date: 07/22/2015
• Status: Active Grant

• Current Assignee: L'Oreal SA
• Original Assignee: L'Oreal SA
• Inventors: WANG, Huifeng
• Granted Patent: US 10,772,820 B2
• Time in Patent Office: Days
• CPC Class Codes: A61K 8/44 Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
• CPC Class Codes: A61K 8/733 Alginic acid; Salts thereof
• CPC Class Codes: A61Q 19/04 for chemically tanning the skin topical sun or radiation screening or tanning preparations A61Q17/04
• CPC Class Codes: A61Q 19/10 Washing or bathing preparations
• CPC Class Codes: C11D 1/04 Carboxylic acids or salts thereof soap C11D9/00
• CPC Class Codes: C11D 1/10 Amino carboxylic acids; Imino carboxylic acids; Fatty acid condensates thereof
• CPC Class Codes: C11D 1/12 Sulfonic acids or sulfuric acid esters; Salts thereof
• CPC Class Codes: C11D 3/22 Carbohydrates or derivatives thereof
• CPC Class Codes: C11D 3/222 Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin

Abstract

Disclosed is a composition for cleansing a keratin material, comprising, in an aqueous phase: a) at least one amino acid surfactant; b) calcium alginate, wherein the weight ration (a/b) of a) amino acid surfactant and b) calcium alginate is from 0.7 to 6.

Claims

1. A composition for cleansing a keratin material, comprising, in an aqueous phase:

a) at least one amino acid surfactant; and

b) calcium alginate,

wherein a weight ratio (a/b) of a) amino acid surfactant and b) calcium alginate is from 0.7 to 6.

2. The composition of claim 1, wherein a viscosity of the composition is 30 to 90 UD, using spindle M3 or from 10 to 60 UD, using spindle M4.

3. The composition according to claim 1, wherein said amino acid surfactant is derived from a carboxylate salt of amino acid, wherein the amine group situated on the α

-carbon or β

-carbon of an amino acid salt is acylated with a C₈ to C₂₂ fatty acid derivative.

4. The composition according to claim 1, wherein said amino acid surfactant is represented by the formula (I):

5. The composition according to claim 3, wherein in formula (I):

Z represents a saturated or unsaturated, linear or branched C₈ to C₂₂ alkyl group,

X is a hydrogen or methyl group,

n is 0,

Y is selected from the group consisting of hydrogen, —

(CH₂)₂C(O)OH, and —

(CH₂)₂C(O)O⁻

M⁺, and

M is a salt-forming cation wherein COO is the counter-anion.

6. The composition according to claim 1, wherein the amino acid surfactant is at least one selected from the group consisting of sodium lauroyl sarcosinate, sodium cocoyl glycinate, sodium cocoyl glutamate, disodium cocoyl glutamate, and sodium lauroyl glutamate.

7. The composition according to claim 1, wherein an amount of amino acid surfactant ranges from 1 weight percent to 20 weight percent, based on the total weight of the composition.

8. The composition according to claim 1, wherein an amount of calcium alginate ranges from 0.5 weight percent to 10 weight percent, based on the total weight of the composition.

9. The composition according to claim 1, wherein the weight ratio (a/b) of a) and b) is from 0.75 to 5.

10. The composition according to claim 1, further comprising at least one nonionic surfactant.

11. The composition according to claim 9, wherein the nonionic surfactant is at least one selected from the group consisting of (C_8-18 alkyl)(poly)glycosides, ethoxylated C₈-C₃₀ fatty acid esters of sorbitan, polyethoxylated C₈-C₃₀ fatty alcohols and polyoxyethylenated C₈-C₃₀ fatty acid esters.

14. A method for cleansing a keratin material, comprising applying a composition according to claim 1 on the keratin material.

12. A composition comprising:

from 0.5 weight percent to 10 weight percent, calcium alginate based on the total weight of the composition;

from 1 weight percent to 20 weight percent, amino acid surfactant(s) based on the total weight of the composition; and

water;

wherein a weight ratio (a/b) of a) the amino acid surfactant(s) and b) the calcium alginate is from 0.7 to 6, and wherein the amino acid surfactant is represented by the formula (I);

13. The composition according to claim 12, wherein in the formula (I),

Z represents a saturated or unsaturated, linear or branched C₈ to C₂₂ alkyl group,

X is a hydrogen or methyl group,

n is 0,

Y is selected from the group consisting of hydrogen, —

(CH₂)₂C(O)OH, and —

(CH₂)₂C(O)O⁻

M⁺, and

M is a salt-forming cation wherein COO is the counter-anion.