ONE - NIOXIN System 4 Color-Safe for Progressed Thinning Hair & Scalp Treatment Kit #haircare Scalp Therapy and Treatment Kit designed for dry, damaged, colored hair with progressed thinning. Clinically and dermatologically tested, Nioxin System Kit 4 -complete scalp & hair thickening system thickens and strengthens your hair against breakage while providing color protection. 8 out 10 users saw thicker, fuller hair in 30 days! Directions: Cleanser Shampoo: Apply Nioxin Cleanser System 4 to wet hair. Lather for one minute. Rinse well. Follow with Nioxin Scalp Therapy System 4 Conditioner and Nioxin Scalp Treatment System 4. Scalp Therapy Conditioner: After cleansing with Nioxin Cleanser System 4, apply Scalp Therapy to wet hair. Leave on for 1-3 minutes. Rinse. Follow with Nioxin Scalp Treatment System 4. Read expected positive results on package panels and insert in photos here. Enjoy your improved loss prevention and healthy hair! Size 1 and 9 more available