For Medium/Coarse, Natural, Noticeably Thinning Hair A daily hydrating cleanser that gently removes residue and DHT from the hair and scalp to promote a healthy scalp environment. It also provides nourishing vitamins, proteins and amino acids. This product is developed by the Nioxin Lab with advanced technology, which includes: SmoothPlex provides moisture, natural shine and smooth control to hair. Activ-Renewal delivers bionutrients for a more youthful-looking scalp and fuller, healthier-looking hair. Scalp Access Delivery System helps protect nutrients at they moisturize and energize the scalp and hair combined with SPF 15 scalp protection against UV rays. How to use: Apply to wet hair and lather, leave on for 1 minute, and then rinse thoroughly. For best result, follow with other two Nioxin System 6 products.