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 4 Scalp Revitaliser for noticeably thinning, fine,coloured hair is a lightweight conditioner that helps provide hair resilience and control moisture balancecontrol for noticeably thinning hair. The BioAmp helps provide thicker-looking hair by increasing the fullness of each hair strand. The Glyco-Shield helps provide protection and moisture balance to chemically-treated hair. Finally, the Scalp Access Delivery System helps clean away follicle-clogging sebum and environmental residues from the scalp skin. Application: After cleansing, distribute onto scalp and throughout the hair. Leave on 1-3 minutes. Rinse well. *Value Data Kline & Company