Protect and refresh the scalp with Nioxin\'s 3-part System 2 Scalp & Hair Treatment for Natural Hair with Progressed Thinning. This leave-in hair and scalp treatment is particularly formulated for natural thinning hair. With Scalp Access 2.0, Nioxin\'s treatment helps prevent hair loss due to breakage, providing a refreshed scalp environment and thicker, fuller-looking hair. Nioxin Scalp and Hair Treatment is the final step of a 3-part System, designed to strengthen the hair and amplify hair structure.