Oxidation hair dyes comprising m-phenylenediamine derivatives as

Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing

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8411, A61K 713

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active

046843710

ABSTRACT:
This invention is directed to m-phenylenediamine derivatives and salts thereof and to compositions of the developer-coupler type of the dyeing of hair, consisting essentially of m-phenylenediamine derivatives or salts thereof as coupling components and, as developer components, conventional components used in oxidation dyes.

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patent: 4452603 (1984-06-01), Konrad et al.
patent: 4566876 (1986-01-01), Brown et al.
Weissberger, D. G., vol. 652, p. 289 (1951).

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