Oxidation dyeing composition for keratinous fibres with a...

Details Oxidation dyeing composition for keratinous fibres with a... Oxidation dyeing composition for keratinous fibres with a...

A - Human Necessities

61

K

A61K 8/41 (2006.01) A61K 8/49 (2006.01) A61Q 5/10 (2006.01)

Patent

CA 2400456

The invention concerns an oxidation dyeing composition for keratinous fibres, and in particular human keratinous fibres such as hair comprising, in a medium suitable for dyeing, at least an oxidation base selected among certain substituted paraphenylenediamine derivatives and their addition salts with an acid, and at least a synthetic direct dyeing agent selected among the azo, quinoid, triarylmethane, indoamino, azine dyes and/ or a natural dye. The invention also concerns a dyeing method using said composition.

L'invention a pour objet une composition pour la teinture d'oxydation des fibres kératiniques, et en particulier des fibres kératiniques humaines telles que les cheveux comprenant, dans un milieu approprié pour la teinture, au moins une base d'oxydation choisie parmi certains dérivés substitués de la paraphénylènediamine et leurs sels d'addition avec un acide, et au moins un colorant direct synthétique choisi parmi les azoïques, les quinoniques, les triarylméthaniques, les indoaminiques, les aziniques, et/ou un colorant naturel, ainsi que le procédé de teinture mettant en oeuvre cette composition.

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