Nioxin’s System 1 Leave-In Scalp & Hair Treatment for Natural Hair with Light Thinning works to refresh the scalp and increase your hair volume.

This volumizing leave-in treatment helps to provide thicker-looking hair by increasing the fullness of each hair strand. Nioxin’s System 1 Scalp & Hair Treatment is the final step of the 3-part System, which amplifies hair texture while protecting against breakage.

Features & Benefits:

• Amplifies hair texture
• Volumizing leave-in scalp and hair treatment for natural hair with light thinning
• Protects against hair breakage
• Increases volume of each hair strands
• Contains Nicotinate
• Achieve the best results when you use all three System 1 steps together