857036-13-6Relevant articles and documents
DYE COMPOSITION COMPRISING A HETEROCYCLIC OXIDATION BASE AND AN INDOLE COUPLER
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, (2012/11/13)
The subject of the present invention is dye composition for keratin fibres, comprising, in suitable dyeing medium, a coupler of formula (I) or addition salts thereof with an acid a particular cationic or noncationic aminopyrazolopyridine derivative. The composition of the present invention makes it possible in particular to obtain a colouring with varied, intense and/or chromatic, aesthetic and relatively nonselective shades which are highly resistant to the various attacks to which the hair may be subjected.