Prepare the scalp and hair for a complete hair thickening treatment with Nioxinâs 3-part System 2 Cleanser for Natural Hair with Progressed Thinning. This professional hair productâs Activ-Renewal technology helps remove sebum, fatty acids and other environmental residue from the scalp and hair. Nioxinâs derma-purifying shampoo deeply cleanses the scalp and provides thicker, fuller-looking hair. Nioxinâs cleanser is the first step of a 3-part Nioxin regimen, designed to strengthen the hair and amplify hair structure. Helps provide hair resilience and control moisture balance. Strengthen and moisturize hair with Nioxinâs 3-part System 2 Scalp Therapy Conditioner for Natural Hair with Progressed Thinning. This density-protecting professional hair care product helps retain moisture balance, providing hair resilience thanks to its BioAmp technology. Lightweight Nioxin conditioner is specially designed for hair with progressed thinning and leaves it fuller looking. Nioxinâs Scalp Therapy Conditioner is the second step of a 3-part Nioxin regimen, designed to strengthen the hair and amplify hair structure.