NIOXIN System 4 Cleanser Shampoo has been specially formulated to intensify fullness and restore moisture balance in fine, noticeably thinning, chemically treated hair. A three part regimen, the cleanser is your first step to achieving voluminous hair. Uniquely fortified with advanced technologies, the shampoo with thickening BioAmp™ and scalp rejuvenating Glyco-Shield™ helps remove follicle clogging sebum, fatty acids and environmental residues that accumulate daily on the scalp and hair. Deeply cleansing, the innovative formula will leave your hair full, thick and strong. - K.N.