Nioxin System 3 Cleanser Shampoo 1000ml is a complete professional thickening treatment for coloured hair with light thinning that leaves hair thicker, denser-looking and with a vibrant colour. Formulated to remove follicle-clogging sebum, fatty acids and environmental residues, System 3 amplifies hair texture, provides moisture balance and colour protection. This shampoo helps provide hair resilience and control moisture balance, while increasing the fullness of each hair strand.