OXIDATIVE HAIR DYEING PROCESS WITH DIHYDROXYBENZENES AND AMINOETHANETHIOLS

OXIDATIVE HAIR DYEING PROCESS WITH DIHYDROXYBENZENES AND AMINOETHANETHIOLS

A process of dyeing hair by preparing and applying to the hair an aqueous reaction medium comprising an aminoethanethiol, a dihydroxybenzene and a ferricyanide or persulfate oxidizing agent, the composition optionally containing a color modifier selected from the group consisting of direct dyes, pri...

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Hauptverfasser: WENKE, GOTTFRIED, PROTA, GUISEPPE
Format: Patent
Sprache:eng ; fre
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HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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creator WENKE, GOTTFRIED
PROTA, GUISEPPE
description A process of dyeing hair by preparing and applying to the hair an aqueous reaction medium comprising an aminoethanethiol, a dihydroxybenzene and a ferricyanide or persulfate oxidizing agent, the composition optionally containing a color modifier selected from the group consisting of direct dyes, primary intermediates, couplers and mixtures thereof, and also containing a buffer to maintain the pH in the range from 2 to 11 during the oxidation reaction, and removing the aqueous reaction medium from the hair after the desired color is attained, and compositions and kits for practicing such processes.
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subjects HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
title OXIDATIVE HAIR DYEING PROCESS WITH DIHYDROXYBENZENES AND AMINOETHANETHIOLS
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