Shampooing. Normal to thin-looking. www.nioxin.com. Questions? 1-800-935-5273 (US). Nioxin Cleanser helps to remove follicle-clogging sebum, fatty acids and environmental residues from the scalp skin and hair. Cleanses to provide thicker-looking hair. It is part of System 1 that contains 3 specialized technologies: Bioamp, transactive delivery system and activ-renewal. Made in Mexico.