Nioxin System 3 Scalp & Hair Treatment is specifically designed for color-treated hair experiencing light thinning. This professional-grade treatment refreshes the scalp while enhancing hair volume and shine. Utilizing the advanced Transactive Delivery System 2.0, it works to increase the fullness of each hair strand, providing a thicker appearance. As the final step in the 3-part system, it amplifies hair texture and protects against breakage, making it an essential part of your hair care routine.