Process and composition for dyeing hair utilizing an anionic...

A - Human Necessities – 61 – K

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A61K 7/13 (1985.01)

Patent

CA 1221913

ABSTRACT OF THE DISCLOSURE A process and composition for dyeing hair involving the precipitation of an anionic polymeric dye by means of a cationic polymer preferably in the presence of a surfactant and particularly an amphoteric surfactant.

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