Don't be afraid to untie - the game with Matrix colors is just beginning! SoColor Sync Pre-Bonded, a de-mi permanent hair color with bond protection, delivers long-lasting toners for toning, color correction and tone-on-tone coloring. With technology that smoothes and strengthens the hair fiber and leaves the hair nourished, toned, smooth and full of shine. In addition, thanks to the integrated weave protection, you can dye even the most delicate hair fibers and push the boundaries of the thicker ones, without worrying about damaging them. All shades are perfectly matched to the shades of permanent colors SoColor Pre-Bonded, so as to ensure even results from roots to ends.