| abstract |
The invention relates to a hair dye composition comprising at least one direct dye, characterized in that it also contains a crosslinked polymer with acrylic units and C10 -C 30 alkyl acrylate units. The invention also relates to the use of a crosslinked polymer with acrylic units and C10 -C 30 alkyl acrylate units in or for the manufacture of a hair dye composition comprising at least one direct dye, to improve the color. dyeing power of said composition, in particular after storage below approximately 10 ° C., and in particular around 4 ° C. A subject of the invention is also a process for preserving the dyeing power, in particular after storage at a temperature below about 10 ° C., of a dye composition containing at least one direct dye, characterized in that an effective amount of said crosslinked polymer is added to the composition. |