| abstract |
PRECISION OF DISCLOSURE: The invention relates to a dye composition. for the direct coloring of keratin fibers, containing in a suitable vehicle, at least one direct nitro dye from the series of 2-nitro-paraphenylenediamines, of formula (I): (I), in which R1 = H, alkyl (1 to 4C) or monohydroxyalkyl (2 to 4C); R2 = monohydroxyalkyl (2 to 4C); and R3 = alkyl (1 to 4C) or monohydroxyalkyle (2 to 4C); in free or salified form, characterized by the fact that it also contains the set of formula (II): (II), in free form or salified with mineral acids or organic. The invention also relates to a method of dyeing of keratin fibers using the composition above mentioned. |