Composition and method for the coloring of hair

Details Composition and method for the coloring of hair Composition and method for the coloring of hair

1982-08-05

1984-09-25

Meyers, Albert T.

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

A61K 713

Patent

active

044733755

ABSTRACT:
A composition and method for the oxidative coloring of hair are disclosed, on the basis of a developer substance-coupler substance combination, whereby as coupler substance at least one 3,5-diaminopyridine derivative of the general Formula ##STR1## in which R.sup.1 and R.sup.2 independent of each other are CH.sub.3, C.sub.2 H.sub.5 or C.sub.2 H.sub.4 OH and R.sup.3 is hydrogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -hydroxyalkyl, also in the form of the physiologically compatible salt, is used. The coupler substance, 3,5-diamino-2,6-dimethoxypyridine being preferred, should be present in the hair coloring composition in a concentration from 0.01 to 3.0% by weight, preferably 0.1 to 2.0% by weight. The coupler substances according to Formual I are storage-stable, well soluble in water, and have toxicologically as well as dermatologically favorable characteristics. The coupler substances according to Formula I produce in combination with 1,4-diaminobenzene or its derivatives very intensive blue-black tones without red portions, and in combination with 4-aminophenol, strongly lustrous gold-orange tones.

REFERENCES:
patent: 3231471 (1966-01-01), Lange

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