Nioxin System 1 AMPLIFIES HAIR TEXTURE WHILE PROTECTING AGAINST BREAKAGErnrnSystem 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.rnrnCleanser 10.1 fl oz / 300 ml Helps to remove follicle-clogging sebum, fatty acids and environmental residues from the scalp skin and hair. Cleanses to provide thicker-looking hair.rnrnScalp Therapy 5.07 oz / 150 ml A lightweight conditioner that helps provide hair resilience and control moisture balance.rnrnScalp Treatment 3.38 fl oz / 100 ml Contains antioxidants and botanicals that help to provide a refreshed scalp environment.rnrnBioAMP With cystine amino acids and lightweight conditioning and treatment ingredients. Helps provide thicker-looking hair by increasing the fullness of each hair strand, reducing hair loss by strengthening against damage and breakage.rnrnTransactive Delivery System With antioxidants, botanicals, vitamins, and purifying agents. Helps clean away follicle-clogging sebum and environmental residues from the scalp skin, giving a clean and refreshed feeling.rnrnActiv-Renewal With white tea extract, peppermint oil and cleansing agents. Provides a refreshed scalp environment and healthy shine to natural hair.