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: The advanced formula gently cleanses the scalp, removing impurities and excess sebum that can clog hair follicles. REDUCES HAIR THINNING: helps minimize hair breakage, promoting the appearance of fuller, thicker hair while protecting the color. NOURISHES THE SCALP: Infused with nourishing botanicals and antioxidants, this kit's Scalp + Hair Thickening Leave-On Treatment can nourish and revitalize the scalp, improving its overall health and condition.