Details: Product Description Protect and refresh the scalp with Nioxin’s three 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 three part System, designed to strengthen the hair and amplify hair structure. Nioxin Nioxin is the only salon brand with 25+ years of experience in thinning hair. Nioxin, supported by The Institute of Trichologists, believes the scalp is an extension of facial skin and requires the same attention and care.