Method for coloring hair with removable hair color

摘要

A method for coloring hair and removing the color from the hair when desired, comprising coloring the hair with an aqueous hair color composition comprising, in combination: (i) a reducing agent capable of reducing the -S-S- bonds on the hair fiber surface to form reactive -SH groups; and (ii) a dye molecule containing chemical groups reactive with the -SH groups on the hair fiber surface to form -S-S- bonds between the dye molecule and the hair fiber surface when the hair color composition is applied to the hair at ambient conditions; wearing the colored hair for the desired period of time; and then removing the color from the hair by contacting the hair with an aqueous based color removal composition containing a reducing agent capable of disrupting the -S-S- bonds between the dye molecule and the hair fiber surface to cause the dye molecule to become disassociated from the hair fiber; and a method for removing dye bonded to the hair fibers via an -S-S- linkage, comprising applying to the hair an aqueous based color removal-composition containing a reducing agent capable of disrupting the -S-S- bonds between the dye and hair fiber surface.