Nioxin's +35 years of expertise in advanced scalp science combines our deep understanding of the scalp with proven ingredients like niacinamide, caffeine, biotin, peppermint and mint oil to target hair thinning & hair loss. Nioxin's range of products are desinged to nourish the scalp like the skin, penetrate hair at the root to increase diameter & density and repair thinning hair from root to tip.