Achieve noticeably smoother and denser looking hair with the innovative Nioxin 3-part System 6 for Chemically Treated Hair with Progressed Thinning. This 3-part set of professional products provides a hair thickening treatment for hair with progressed thinning and helps cleanse, optimize and treat the hair and scalp. Nioxin's 3-part System 6 with SmoothPlex technology reduces hair loss due to breakage and strengthens resilience against cuticle damage, leaving hair smoother and thicker, fuller-looking with vibrant color. This complete moisturizing 3-part System helps protect the scalp and provides a refreshed scalp environment. Nioxin Cleanser Shampoo 6 (300ml): removes sebum and environmental residues from the scalp and hair. Nioxin Scalp Therapy Revitalizing Conditioner 6 (300ml): a lightweight conditioner that helps provide hair resilience and control moisture balance. Nioxin Scalp & Hair Treatment 6 (100ml): provides a refreshed scalp environment.