What is it: Nioxin Pro Clinical's System Kit 1 is designed for natural, untreated hair with light thinning. Clinically and dermatologically tested, it's designed to amplify hair texture and strengthen resilience, resulting in thicker, fuller hair. Why you'll love it: Nioxin System 1 Conditioner enhances scalp health by promoting a healthy environment for hair growth. Featured ingredients: Formulated with a powerful blend of peppermint oil and wild mint oil to help nourish the hair root, stimulate hair follicles and strengthen the hair. It's lightweight, moisturising formula contains ingredients that strengthen the hair against damage and breakage, while promoting a healthier scalp. Key benefits: THICKENS HAIR: clinically designed to add thickness and fullness to natural hair with light thinning, with visible results in just 30 days. SUPPORTS SCALP HEALTH: advanced formula gently cleanses the scalp, removing impurities and excess sebum that can clog hair follicles. REDUCES HAIR THINNING: helps minimize hair breakage, promoting the appearance of fuller, thicker hair. NOURISHES THE SCALP: Infused with nourishing botanicals and antioxidants, this kit's Scalp + Hair Thickening Treatment can nourish and revitalize the scalp, improving its overall health and condition. How to use: After using Nioxin System 1 Shampoo, gently massage Nioxin System 1 Conditioner into the scalp and hair, focusing on the ends. Leave on for 1-3 minutes for optimal results. Rinse thoroughly.