Present invention relates to the use of a cationic anthrachinone dye for coloring keratin fibers, especially human hair, and compositions comprising the said dyestuffs. The object of the present invention is the use of dyestuff according to general structure (I) wherein R1 is a group selected from CH3, CH2OH, C2H2OH, C4H9, C3H6OC2H5, C2H4OCH3 and C3H6OC2H4OCH3 for dyeing keratin fibers especially human hair.La présente invention concerne lutilisation dun colorant anthraquinone cationique pour la coloration de fibres kératiniques, notamment des cheveux humains, et des compositions comprenant lesdits colorants. La présente invention concerne lutilisation dun colorant selon la structure générale dans laquelle R1 est un groupe choisi parmi CH3, CH2OH, C2H2OH, C4H9, C3H6OC2H5, C2H4OCH3 et C3H6OC2H4OCH3 pour la coloration de fibres kératiniques, notamment des cheveux humains.
