Strengthen and moisturize your hair with Nioxin's three part System 4 Scalp Therapy Conditioner for Colored Hair with Progressed Thinning. Thanks to its BioAmp technology, this professional hair care product helps retain moisture balance, providing hair resilience. Lightweight, Nioxin's density-protecting conditioner is specially designed for colored hair with progressed thinning and leaves it thicker, fuller-looking. Nioxin's Scalp Therapy Conditioner is the second step of a three part Nioxin regimen, designed to strengthen the hair and amplify hair structure. Jade Roller increases circulation and stimulates hair growth in the scalp, and reduces puffiness for more luminous facial skin.