Nioxin System 3 - Hair Thickening System For Damaged Hair with Light Thinning Biotin & Niacinamide - Shampoo 300ml HAIR & SCALP TREATMENT: Strengthens hair against breakage while providing colour protection - hair treatments for dry damaged hair with light thinning BIOTIN HAIR GROWTH: With niacinamide, biotin & caffeine to help nourish the hair root, stimulate hair follicles & strengthen hair SCALP TREATMENT: Gentle cleanser for scalp - removes impurities & follicle-clogging sebum for healthier hair growth environment