Tressa Watercolors Maintenance Shampoo is a 3-in-1 sulfate-free shampoo for everyone with colored hair Watercolors Shampoos cleanse condition and refresh color in one easy step. Specially formulated Reflective Color Enhancers deposit color and deliver vibrant tones and brilliant shine while a rich foaming lather nourishes every hair strand. Tone and maintain color treated hair or enhance non-treated hair s natural hues. Watercolors is the ultimate color enhancing conditioning shampoo.