Nioxin System 4 | Scalp Care | Leave-In Treatment | Colored Damaged Hair

Protect and refresh the scalp with Nioxin’s three part System 4 Scalp & Hair Treatment for Colored Hair with Progressed Thinning. This diameter-increasing leave-in hair and scalp treatment is particularly formulated for colored hair with progressed thinning. Nioxin’s treatment Scalp Access Delivery System 2.0 technology helps prevent hair loss due to breakage, providing a refreshed scalp environment. Nioxin’s Scalp and Hair Treatment is the final step of a three part System, designed to strengthen the hair and amplify hair structure.