- System 1 is specially designed for normal to thin-looking, fine, natural hair. It amplifies hair texture while refreshing the scalp and delivering a healthy shine. System 1 amplifies hair texture while protecting against breakage. This cleanser helps to remove follicle-clogging sebum, fatty acids and environmental residues from the scalp skin and hair while providing thicker-looking hair. BioAMP: Cystine amino acids and lighweight conditioning and treatment ingredients increase the fullness of each hair strand, reducing hair loss by strenghtening against damage and breakage. TRANSACTIVE DELIVERY SYSTEM: Antioxidants, botanicals, vitamins, and purifying agents help clean away follicle-clogging sebum and environmental residues from the scalp skin, giving a clean and refreshed feeling. ACTIV-RENEWAL: White tea extract, peppermint oil and cleansing agents help provide a refreshed scalp environment and healthy shine to natural hair. Part 1 of 3 step system. CLEANSE: Apply to wet hair, gently massage into scalp and hair. Lather 1 minute. Rinse thoroughly. Use daily.