| abstract |
Coloring composition, process for obtaining and using it for coloring the skin and / or keratin materials. The composition comprises, in a physiologically acceptable medium, an effective amount of at least one dye precursor chosen from the compounds comprising at least at least one aromatic ring having at least two hydroxyl groups carried by two consecutive carbon atoms of the aromatic ring and an effective amount of a catalytic system comprising a first constituent chosen from the salts and oxides of Mn (II) and / or Zn ( II) and their mixtures and a second constituent chosen from alkaline hydrogencarbonates, alkaline earth hydrogencarbonates and their mixtures, the proportions of the first and second constituent being such that: (CF DRAWING IN BOPI) Application to the coloring of the skin and / or keratin materials. |