Process for dyeing keratin fibres with a monohydroxyindole assoc

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

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8405, 8429, 8431, 548484, A61K 713, A61K 3140, C09B 702, D06P 308

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active

050340158

ABSTRACT:
Process for dyeing keratin fibres consisting in applying on these fibres a composition (A) containing at least one indole colorant of formula: ##STR1## where R.sub.1 =H or C.sub.1 -C.sub.4 alkyl;

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Biochem. Methods, vol. 89, 1978, p. 249, No. 89:38872m, Mori et al, Gas Chromatography of 5-Hydroxy-3-Methylindole in Human Urine.
Chemical Abstracts, vol. 74, 1971, p. 444, No. 131857k, Marchelli et al, Mass Spectra of the Hydroxyindole-3-Carboxylic Acids and the Hydroxyskatoles.
Pharmacodynamics, vol. 69, 1968, p. 3215, No. 3450j, Mattok et al, The Metabolism of Hydroxyskatoles in Rats.

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