Agent and method for colouring keratin fibres

Details Agent and method for colouring keratin fibres Agent and method for colouring keratin fibres

A - Human Necessities

61

K

A61K 8/49 (2006.01)

Patent

CA 2598130

The present invention provides an agent for colouring keratin fibres (A) which comprises at least one heterocyclic hydrazone derivative of the formula (I) or its physiologically compatible salt and at least one ortho-quinone of the formula (II) or para-quinone of the formula (III); and a method of colouring hair using this agent.

L'invention concerne un agent permettant de colorer des fibres de kératine (A) et comprenant au moins un dérivé d'hydrazone hétérocyclique de formule (I) ou le sel compatible sur le plan physiologique de celui-ci et au moins une ortho-quinone de formule (II) ou une para-quinone de formule (III); ainsi qu'un procédé de coloration des cheveux mettant en oeuvre cet agent.

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