Patent ID: 8163037

Claim:
A method of permanently coloring hair comprising the steps of: (a) applying onto the hair a lifting composition capable of lightening the natural hair color wherein said lifting composition comprises at least one oxidizing agent, chosen from the group formed by hydrogen peroxide, urea peroxide, alkali metal bromates, alkali metal ferricyanides and oxidation-reduction enzymes, optionally in the presence of their respective donor or cofactor; (b) rinsing the lifting composition from the hair, (c) providing a color base composition containing at least one primary dye intermediate chosen from ortho-aminophenols para-aminophenols, ortho-phenylenediamines, para-phenylenediamines, double bases, heterocyclic bases, the acid addition salts thereof, and mixtures thereof; (d) applying the color base composition onto the hair; (e) rinsing the color base composition from the hair; (f) providing a developer composition containing at least one oxidizing agent chosen from persulfates, perborates, percarbonates their salts, and mixtures thereof; and (g) applying the developer composition onto the hair in order to develop color, in situ, in the hair to form colored hair; and (h) rinsing the developer composition from the hair.