System 3 leaves hair thicker, denser-looking and with a vibrant color.System 3 is formulated to remove follicle-clogging sebum, fatty acids and environmental residues, while amplifying hair texture, providing moisture balance and color protection.Features & BenefitsComplete professional thickening treatment for coloured hair with light thinningFor amplified hair texture and restored moisture balanceHelps remove follicle-clogging sebum, fatty acids and other environmental residuesHelps provide hair resilience and control moisture balanceIncreases the fullness of each hair strand. Nioxin Nioxin Cleanser Shampoo No.3 1000ml