The number one selling salon brand for thicker, fuller looking hair*. Nioxin is the only professional haircare brand endorsed by the Institute of Trichologists for thinning hair. Nioxin System 5 Cleanser for normal to thin-looking medium to coarse, natural or coloured hair is a daily volumizing cleanser that removes follicle-clogging sebum, fatty acids and environmental residues from the scalp skin and hair. Cleanses to provide thicker-looking hair. The Transactive Delivery System helps clean away follicle-clogging sebum and environmental residues from the scalp skin. The SmoothPlex helps provide moisture balance, smoothing control and reduced hair loss through strengthening resilience against damage and breakage. Finally, Glyco-Shield helps provide protection and moisture balance to chemically-treated hair. Application: Apply to wet hair, gently massage into scalp and hair. Lather for 1 minute. Rinse thoroughly. Use daily. *Value Data Kline & Company