| 摘要 |
<p>The invention relates to a dye composition for keratinic fibres comprising an oxydation colorant precursor of the type ortho and/or para and a sulfured metaphenylenediamine having formula (I) wherein Z is alkyl, aralkyl, monohydroxyalkyl or polyhydroxyalkyl, aryl or aminoalkyl, as well as the acid salts thereof, with the condition that R1 and R2 do not represent simultaneously hydrogen when Z is alkyl or hydroxyalkyl, as well as the acid salts corresponding to the compounds of formula (I).</p> |
