Process and composition for the coloration of keratin-containing

Details Process and composition for the coloration of keratin-containing Process and composition for the coloration of keratin-containing

1980-10-02

1981-10-06

Moyer, Donald B.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

8404, 8405, 8526, 8587, 222 94, 8436, A61K 742, A61K 712, A61K 713

Patent

active

042935431

ABSTRACT:
A process and composition for coloring substances and tissues containing keratin, by means of an agent or co-reactant having a ketone or aldehyde function. An amino-acid, in particular a thio-amino-acid, is contacted with the substance to be colored. The composition can be in the form of a solution or a suspension containing the amino-acid, applicable separately from or together with the co-reactant of known type based on a ketone or aldehyde. The invention is useful in cosmetics, for tanning the skin or coloring the hair or nails. It is also applicable to the coloration of various articles, in particular hair in general, feathers, horn, shell etc.

REFERENCES:
patent: 3931912 (1976-01-01), Hsiung
patent: 4173453 (1979-11-01), Shiah

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