Patent ID: 9565916
Date: 2017-02-14
CPC Classifications: A45D,A61K,A61Q

Claim:
1. A method of altering the appearance of hair, said method comprising: (a) applying, onto hair, a pre-alkalizing composition having a pH of from about 8 to about 14 and leaving the pre-alkalizing composition on the hair for a time period of at least 10 minutes to form pre-alkalized hair; (b) optionally, rinsing the hair; (c) shampooing the hair and rinsing the shampooed hair; (d) applying a color-altering composition to the pre-alkalized hair wherein the color-altering composition comprises, in a cosmetically acceptable carrier: (e) leaving the color-altering composition on the hair for a time period sufficient to achieve a desired color change; and (f) optionally, rinsing the hair.