Refresh the scalp and protect hair against breakage with this reparative, leave-in hair treatment. Utilising Transactiv Delivery System 2.0, this volumising treatment is the final step in Nioxin's 3-part system to amplify hair texture and protect it against breakage. The unique blend combines niacinamide, caffeine, biotin and peppermint oil and helps provide thicker-looking hair by increasing the fullness of each individual hair strand. When used in conjunction with Nioxin's System 1 Shampoo & Conditioner, hair is left stronger, healthier and more resilient. With continued use, hair looks thicker and fuller.