Patent ID: 9675822
Date: 2017-06-13
CPC Classifications: A45D,A61K,A61Q

Claim:
1. A method for treating hair fibers comprising, applying to the hair fibers at least one reducing composition, free of ceramide, wherein the at least one reducing composition comprises at least one aminothiol compound chosen from cysteine and derivatives thereof and cysteamine and derivatives thereof, in an amount from 0.1% to 1.4% by weight, relative to the total weight of the at least one reducing composition, and applying a heating iron to the hair fibers to raise the temperature of said hair fibers, wherein said heating iron has a temperature ranging from 120° C. to 220° C., and wherein the heating iron is applied before or after the hair fibers are optionally rinsed, wherein the method does not include a fixing step, wherein the at least one reducing composition does not comprise dithiodiglycolic acid or any salt thereof, and wherein the method further comprises leaving the at least one reducing composition on the hair fibers for a time period ranging from 5 to 30 minutes before heating.