Product Description System 1 amplifies hair texture and protects hair against breakage. System 1 is specially formulated as a hair thickening treatment, delivering denser-looking hair. It reduces hair loss due to breakage and strengthens the hair, while refreshing the scalp and delivering a healthy shine to natural hair with light thinning. Features & Benefits Complete professional thickening treatment for natural hair with light thinning For amplified hair texture and protection against breakage.Helps remove follicle-clogging sebum, fatty acids and environmental residues from scalp and hair. Refreshed scalp and increased hair volume Increased the fullness of each hair strand. Ingredients Citric Acid Features & details Complete professional thickening treatment for natural hair with light thinning. For amplified hair texture and protection against breakage. Shampoo 150ml, Conditioner 150ml, Treatment 50ml.