Nioxin's cleanser shampoo system 2 for natural hair with progressed thinning is the first step of a three-part Nioxin regimen, specially formulated to strengthen the hair and amplify hair structure. It prepares hair and scalp for a complete hair thickening treatment with Nioxin's three-part System 2. This professional derma-purifying cleanser shampoo removes dirt, excessive oil, and other environmental residues from the scalp and hair. Nioxin's scalp therapy conditioner system 2 for natural hair with progressed thinning is the second step of a three-part Nioxin regimen, specially formulated to strengthen the hair and amplify hair structure. This lightweight professional hair & scalp conditioner helps to retain moisture balance, providing hair resilience reducing breakage, and leaves the hair fuller-looking.