Composition for oxidation dyeing of keratinous fibres comprising an oxidation base, a coupler, and 4-hydroxyindole as coupler and dyeing process with this composition

摘要

The invention relates to a ready-for-use composition for the oxidation dyeing of keratinous fibres, in particular human keratinous fibres such as hair, including an oxidation dye precursor in combination with 4- hydroxyindole, a benzene-based coupler and an oxidizing agent in an alkaline medium, and to the dyeing process making use of this composition.