Keratinous fibre oxidation dyeing composition containing a...

A - Human Necessities – 61 – K

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A61K 7/13 (1995.01)

Patent

CA 2318319

The invention concerns a ready-to-use composition for oxidation dyeing of keratinous fibres, and in particular human keratinous fibres such as hair comprising, in a suitable dyeing medium, at least a first oxidation base selected among paraphenylenediamines, at least a second oxidation base selected among meta-aminophenols, meta-phenylenediamines and meta-diphenols, and at least an enzyme such as laccase, as well as the dyeing method using said composition.

L'invention a pour objet une composition prête à l'emploi 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 première base d'oxydation choisie parmi les paraphénylènediamines, au moins une seconde base d'oxydation choisie parmi les para-aminophénols, au moins un coupleur choisi parmi les méta-aminophénols, les méta-phénylènediamines et les méta-diphénols, et au moins une enzyme de type laccase, ainsi que le procédé de teinture mettant en oeuvre cette composition.

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