Wella Color Preserve Smoothing Shampoo is formulated to gently cleanse, moisturize, and stabilize color while smoothing the hair structure. The balanced concentration of active cleansing ingredients provides just the right pH level to cleanse the hair without effecting haircolor. Active ingredient Jaguar C-162 (a cationically charged polymer) attaches itself to the negative sites on the hair, providing smoothness and improved combability to naturally or chemically textured hair structures. Glyoxylsaure stabilizes color.