Its acid pH formula enriched with Blueberry Extract, Ceramide A2 and Color Care Complex is free of Parabens, Colorants, SLS, SLES and Silicones. It ensures that hair colors last longer, so it is important to use after coloring and bleaching. After Color Acid Shampoo closes down the cuticle and eliminates and traces of alkalinity from the skin and hair, leaving hair radiant, smooth and full of body.