ColorLast Purple is a purple pigment depositing shampoo that neutralizes brass and unwanted warm tones while conditioning and protecting hair from breakage. What It Does More than a purple shampoo, discover the combination of pure purple pigments with a blend of fig and orchid to keep your blonde healthy and conditioned until your next salon visit! ColorLast Purple is a toning shampoo that neutralizes brass and yellow tones by depositing purple pigment which brings back coolness to blonde hair leaving it looking healthy and fresh.