Nioxin System 1 Cleanser - For Fine, Natural, Normal to Thin-Looking Hair. A daily volumizing 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. BioAmp adds thickness and strength. Active-Renewal gives a more youthful-looking scalp and fuller, healthier hair. TransActive Delivery System delivers essential nutrients onto the scalp which improves the appearance of thinning hair and creates an environment for fuller, healthier looking hairs.