What it is: A pH-balanced, sulfate-free shampoo that helps extend the life of professional hair color.What it does: In addition to protecting against color fade, this gentle cleansing formula helps improve hair's integrity and impart radiant shine. A proprietary Environmental Protection Blend helps protect against color loss and damage caused by sunlight and environmental aggressors, while ArganID technology helps repair and seal the cuticle to lock in color. How to use: Massage through wet hair and scalp. Rinse well. Repeat if needed. Paraben-free; phthalate-free; sulfate-free; silicone-free