Patent ID: 6758866
Filing Date: 2004-07-06
Classification: A61K,A61Q

Abstract:
A method for coloring hair to a red shade which comprises contacting said hair with an aqueous hair dye composition comprising:(A) from about 0.10% to about 10% by weight of the composition of a non-nitrogenous chelating agent selected from the group consisting of polyphosphates, phosphonates, hydroxycarboxylates, polyacrylates, zeolites and mixtures thereof;. (B) from about 0.01% to about 50% by weight of the composition of an oxidative dye primary intermediate comprising p-aminophenol; (C) from about 0.01% to about 50% by weight of an oxidative dye coupler comprising 4-amino-o-cresol; and (D) water.