System Kit 4 is designed for color-treated hair with progressed thinning. Clinically and dermatologically tested.

THICKENS THE HAIR: clinically designed to add thickness and fullness to dry, damaged, color-treated hair with progressed thinning, with visible results in just 30 days. SUPPORTS SCALP HEALTH: gently cleanses the scalp, removing impurities and excess sebum that can clog hair follicles, creating a healthier environment for the scalp. REDUCES HAIR THINNING: helps minimize hair breakage, promoting the appearance of fuller, thicker hair while protecting the hair color. NOURISHES THE SCALP: infused with antioxidants and UV protecting ingredients, this treatment can nourish and revitalize the scalp, improving its overall health and condition.

Apply Nioxin System 4 Scalp + Hair Thickening Treatment to towel-dried hair, focusing on the scalp and areas of concern. Massage gently to ensure even distribution. Do not rinse out. Style as desired. For optimal results, use alongside Nioxin System 4 Scalp + Hair Shampoo and Conditioner.