Strengthen & moisturise your hair with Nioxin’s 3-part System 6 Scalp Therapy Revitalizing Conditioner for Chemically Treated Hair with Progressed Thinning. With its Smooth Plex technology, this professional hair care product helps retain moisture balance & smoothing control. Lightweight Nioxin’s density-protecting conditioner is specially indicated for chemically treated hair with progressed thinning & leaves it thicker, fuller-looking. Nioxin’s Scalp Therapy Revitalizing Conditioner is the second step of a 3-part Nioxin treatment, designed to strengthen the hair & amplify hair structure.