Keratin fibre oxidation dyeing composition containing a...

A - Human Necessities – 61 – K

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A61K 8/84 (2006.01) A61K 8/41 (2006.01) A61K 8/73 (2006.01) A61Q 5/10 (2006.01)

Patent

CA 2230717

A keratin fibre oxidation dyeing composition, particularly for human keratin fibres such as hair, comprising a medium suitable for dyeing which contains at least one oxidation dye precursor and optionally one or more couplers, is disclosed. Said composition further comprises a non-ionic amphiphilic polymer comprising at least one fatty chain and at least one hydrophilic unit. Dyeing methods and devices using said oxidation composition are also disclosed.

L'invention concerne une composition de teinture d'oxydation pour fibres kératiniques, en particulier pour fibres kératiniques humaines telles que les cheveux, comprenant, dans un milieu approprié pour la teinture, au moins un précurseur de colorant d'oxydation et éventuellement un ou plusieurs coupleurs, et qui est caractérisée par le fait qu'elle comprend en outre un polymère amphiphile nonionique comportant au moins une chaîne grasse et au moins un motif hydrophile. L'invention concerne également les procédés et dispositifs de teinture mettant en oeuvre ladite composition d'oxydation.

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