Novel colouring method using films

Abstract

The present disclosure relates to a method for colouring human hair, comprising the following steps: (I) bringing a hair strand into contact with a colouring film, wherein the colouring film comprises at least one absorbent material and at least one substantive dye, (II) applying a water-containing activator preparation to the hair strand and/or the colouring film, (III) encasing the hair strand with the colouring film, (IV) leaving the activator preparation to take effect on the hair strand and the colouring film for a period of from about 1 to about 60 minutes, and (V) removing the colouring film. The present disclosure also relates to a cosmetic product which makes it possible to colour hair in accordance with the above-described method.

Dependencies are inferred from the claim text.