Iso Tamer Cleanse is a gentle cleanser that adds extreme moisture to help control frizz and smooth hair. This smoothing shampoo is formulated with guar gum and Iso's patented Iso amine to soften hair's bonds for smoother combing, frizz control and long lasting straightening. Mild cleansers and foam boosters gently remove dirt and buildup with a dense, creamy lather. Low viscosity silicone seals moisture to add softness and shine. Humectants balance moisture levels. Safflower seed oil is an emollient and antioxidant that fights moisture loss. Designed for unruly, frizzy, natural or curly hair.