Serie Expert Liss Unlimited Shampoo is perfect for hydrating and cleansing your frizzy and dry hair. Oils of Olive and Argan help with conditioning the hair, keeping in moisture for lasting smoothness and protecting it even in the most humid conditions. This shampoo is formulated with Pro-Keratin that helps with hair repair and Kukui and Evening Primrose Oils that prevent hair humidity, as well as keeping the hair straight. As a result of the enriched formula, you experience up to 4 days of no-frizz and smooth hair at 80% humidity. For application, evenly spread through wet hair and emulsify. Rinse well and repeat if needed.