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 1 Cleanser Shampoo 300ml for normal to thin-looking, fine, natural 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. Containing BioAmp helping to provide thicker-looking hair by increasing the fullness of each hair strand. Activ-Renewal helps cleanse and provide a refreshed scalp environment and healthy shine to natural hair. Transactive Delivery System helps clean away follicle-clogging sebum and environmental residues from the scalp skin. Application: Apply to wet hair, gently massage into scalp and hair. Lather for one minute. Rinse thoroughly. Use daily. *Value Data Kline & Company