Compositions used in permanent alteration of hair color

Details Compositions used in permanent alteration of hair color Compositions used in permanent alteration of hair color

1987-02-12

1988-10-04

Swisher, Nancy A. B.

Drug, bio-affecting and body treating compositions

Bleach for live hair or skin

424 70, A61K 712

Patent

active

047755270

ABSTRACT:
A permanent hair color altering composition comprising an aqueous preparation on the basis of melanin dissolution and/or oxidation of a hair colorant dye intermediate, which contains as a swelling and penetration agent, an N-alkyl pyrrolidone wherein the alkyl group contains between 8 and 22 carbon atoms.

REFERENCES:
patent: 3190803 (1965-06-01), Vogt
patent: 3726967 (1973-04-01), Uorsatz et al.

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