Granted Patent B2

US 9,901,531 · App. 14/740,333 · Granted Feb 27, 2018

Abstract

Claims (32)

1. A cosmetic composition comprising:

at least about 12% thickening polymer having hydrophobic and hydrophilic portions;

a non-ionic surfactant;

a neutralising agent;

a non-ionic kosmotrope;

water;

wherein the composition comprises at least one preservative; and

wherein the preservative is selected from the group consisting of benzyl alcohol, phenoxyethanol, and mixtures thereof;

wherein the non-ionic kosmotrope is propane-1,2,3-triol;

wherein the composition comprises from about 0.01% to about 2% neutralising agent; and

wherein the ratio of thickening polymer having hydrophobic and hydrophilic portions to neutralising agent is from about 10:1 to about 60:1.

2. The composition of claim 1 , wherein the thickening polymer is an associative thickening polymer.

3. The composition of claim 2 , wherein the thickening polymer is acrylate-based.

4. The composition of claim 1 , wherein the composition comprises from about 15 to about 25% thickening polymer.

5. The composition of claim 4 , wherein the composition also comprises from about 5% to about 20% non-ionic kosmotrope.

6. The composition of claim 1 , wherein the thickening polymer is selected from the group consisting of Acrylates/Ceteth-20 Itaconate Copolymers, Polyurethane-39 polymers, and mixtures thereof.

7. The composition of claim 6 , wherein the thickening polymer is an Acrylates/Ceteth-20 Itaconate Copolymer.

8. The composition of claim 1 , wherein the neutralising agent is selected from the group consisting of: aminomethyl propanol, ethanolamine, and mixtures thereof.

9. The composition of claim 8 , wherein the neutralising agent is aminomethyl propanol.

10. The composition of claim 1 , wherein the composition comprises from about 0.2% to about 0.8% neutralising agent.

11. The composition of claim 10 , wherein the ratio of thickening polymer having hydrophobic and hydrophilic portions to neutralising agent is from about 20:1 to about 50:1.

12. The composition according to claim 1 , wherein the composition consists of:

from about 15 to about 25% thickening polymer having hydrophobic and hydrophilic portions;

a non-ionic surfactant;

a neutralising agent;

a non-ionic kosmotrope;

water, and wherein the ratio of thickening polymer having hydrophobic and hydrophilic portions to neutralising agent is from about 10:1 to about 60:1.

13. A hair colorant formulation obtained from mixing:

the composition according to claim 1 ;

a hair dye.

14. A method of colouring hair comprising applying the hair colorant formulation according to claim 13 to human hair.

15. The method of claim 14 comprising sculpting hair.

Assignments (8)