For Fine, Natural, Noticeably Thinning Hair A daily volumizing cleanser that gently removes residue & DHT from the hair & scalp to promote a healthy scalp environment. It also provides nourishing vitamins, proteins & amino acids. This is developed by Nioxin lab with advanced formula, which are: Bio Amp adds thickness & strength. Activ-Renewal gives a more youthful-looking scalp & fuller, healthier looking hair. Scalp Access Delivery System helps protect nutrients as they moisturize & energize the scalp & hair combined with SPF scalp protection against UV rays. How to use: Apply to wet hair & lather, leave on for 1minutes, & then rinse thoroughly. For best result, follow with other two Nioxin System 2 products.