Patent ID: 9474700
Filing Date: 2016-10-25
CPC Classification: A61K,A61Q

Claim Text:
1. A method of altering the appearance of hair, said method comprising: (a) applying onto the hair, a pre-alkalizing composition having a pH of from about 8 to about 14 to form pre-alkalized hair; (b) optionally, rinsing the hair; (c) optionally shampooing and rinsing the hair; (d) applying a color-altering composition onto the pre-alkalized hair, wherein the color-altering composition comprises, in a cosmetically acceptable carrier, at least one oxidative dye precursor; (e) optionally, rinsing the hair; (f) applying a developer composition comprising at least one oxidizing agent chosen from persulfates, perborates, percarbonates, their salts, and mixtures thereof onto the hair, wherein the developer composition does not include hydrogen peroxide; (g) leaving the color-altering composition on the hair for a time period sufficient to achieve a desired color; and (h) optionally, rinsing the hair.