System 3 Treatment is designed for dry, damaged, color-treated hair with light thinning. Clinically and dermatologically tested, this nourishing and protective leave on treatment strengthens each strand from within, resulting in thicker, fuller hair. This treatment helps balance the scalp, creating a healthy environment for hair growth. In addition to its strengthening and nourishing properties, it adds moisture and shine to your hair. Formulated with a powerful blend of niacinamide, wild mint oil and caffeine to help nourish the hair root, stimulate hair follicles and strengthen the hair. THICKENS THE HAIR: clinically designed to add thickness and fullness to dry, damaged, color-treated hair with light thinning, with visible results in just 30 days. SUPPORTS SCALP HEALTH: advanced formula gently cleanses the scalp, removing impurities and excess sebum that can clog hair follicles, creating a healthier environment for the scalp. REDUCES HAIR THINNING: helps minimize hair breakage, promoting the appearance of fuller, thicker hair while protecting the color. NOURISHES THE SCALP: infused with nourishing ingredients and antioxidants, the Scalp + Hair Thickening Treatment can nourish and revitalize the scalp, improving its overall health and condition.