Composition for the oxidation dyeing of keratinous fibres, comprising a para-phenylenediamine derivative and meta-phenylenediamine derivative, and dyeing process using such a composition

摘要

A composition for the oxidation dyeing of keratinous fibres, in particular human keratinous fibres such as hair, of the type comprising, in a medium suitable for dyeing, the medium containing at least one para-phenylenediamine oxidation dye precursor which is substituted in the 2 position on the benzene ring or an acid addition salt thereof, and at least one specific meta-phenylenediamine coupling agent or an acid addition salt thereof. The use of this composition for dyeing keratinous fibres, in particular human keratinous fibres such as hair.