Nioxin Starter Kit 4 : Chemically Enhanced | Noticeably Thinning Hair Contains: •Nioxin Cleanser System 4: Gently cleanses and removes toxins, residue and DHT (125ml/4.2oz) •Nioxin Scalp Therapy System 4: Conditioner moisturizes and energizes the scalp and hair. (100ml/3.4oz) •Nioxin Scalp Treatment System 4: Daily scalp treatment used to improve the appearance of thinning hair. SPF 15 protects scalp skin from harmful UVA/UVB rays. (125ml/4.2oz)