This Scalp and Hair Care System 4 Volumizing cleanser helps to remove follicle-clogging sebum, fatty acids and environmental buildup from the scalp and hair follicles. The formula cleanses to provide fuller-looking hair.Keep your hair looking its best with this Nioxin System four cleanser and therapy conditioner set. Specifically designed for fine, thinning or chemically treated hair, this set helps make your hair look fuller by increasing each strand's thickness as well as reducing hair loss by strengthening your locks against breakage and damage. This set also keeps your scalp feeling rejuvenated.Helps provide thicker-looking hair by increasing the fullness of each hair strand, reducing hair loss by strengthening against damage and breakageDual shield technology helps provide protection and moisture balance to color-treated hair, and leaves the scalp feeling rejuvenated and refreshedSize: 33.8 ouncesQuantity: 1Targeted area: HairHair type: Thinning, fine, chemically treatedActive ingredients: BioAMP with cystine amino acids and lightweight conditioning and treatment ingredients; Glyco-shield with white tea extract, humectants, peppermint oil and protective conditioning agents