Nioxin System 4 Scalp Treatment, 40 Ml
For fine, chemically enhanced, noticeably thinning hair a daily leave-in scalp treatment with SPF 15 sunscreen that protects scalp skin from harmful UVA and UVB rays - delivering essential botanicals, nutrients, antioxidants, vitamins and cytokines onto the scalp skin and hair to help safeguard against environmental residue and DHT buildup on the scalp. May cause temporary redness after application.