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 3 Scalp Treatment for normal to thin-looking, fine, coloured hair is a volumising cosmetic leave-in treatment that contains antioxidants and botanicals that helpto provide a refreshed scalp environment. It contains SPF15 sunscreen to help protect the scalp skin for noticeably thinning hair. The BioAmp helps provide thicker-looking hair by increasing the fullness of each hair strand. The Transactive Delivery System helps clean away follicle-clogging sebum and environmental residues from the scalp skin. Finally, the Glyco-Shield helps provide protection and moisture balance to chemically-treated hair. Application: Apply directly to entire scalp. Gently massage into scalp. DO NOT RINSE. May cause temporary redness to scalp skin after application. Only 2-3 pumps needed. *Value Data Kline & Company