Prepare the scalp and hair for a complete hair thickening treatment with Nioxin’s 3-part System 1 cleanser for natural hair with light thinning. This professional hair product’s Activ-Renewal technology helps remove sebum, fatty acids and other tal residue from the scalp and hair. Nioxin’s purifying shampoo deeply cleanses the scalp and provides thicker, fuller-looking hair. Nioxin’s cleanser is the first step of a 3-part Nioxin regimen, designed to strengthen the hair and amplify hair structure. Strengthen and moisturize your hair with Nioxin’s System 1 Scalp Therapy Conditioner for Natural Hair with Light Thinning. Lightweight, this professional hair care product helps retain moisture balance, providing hair resilience thanks to the AMP technology. Designed to strengthen the hair and amplify hair structure, Nioxin's density-protecting System 1 Scalp Therapy Conditioner is the snd step of a three part Nioxin regimen, delivering fuller, healthier-looking hair.