Nioxin Starter Kit 6 : Natural Hair | Noticeably Thinning Hair Contains: Nioxin Cleanser System 6: Gently cleanses and removes toxins, residue and DHT (150ml/5.1oz) Nioxin Scalp Therapy System 6: Conditioner moisturizes and energizes the scalp and hair. (100ml/3.4oz) Nioxin Scalp Treatment System 6: Daily scalp treatment used to improve the appearance of thinning hair. SPF 15 protects scalp skin from harmful UVA/UVB rays.