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