Get rid of dandruff and stay worry free with Head & Shoulders Classic Clean. The anti-dandruff shampoo removes up to 100% of visible dandruff*. Its clinically proven formula contains Piroctone Olamine, the active ingredient that can fight Malassezia globose, the dandruff-causing microbe. This powerful shampoo controls flaking, scaling, and itching** associated with dandruff and starts working from the first use. The pH balanced shampoo suits all hair types: normal, colored, and chemically treated hair, and leaves your hair smelling fresher. Go out into the world with total confidence when you use the world’s #1 anti-dandruff shampoo*** that is dermatologically tested. *Visible flakes with regular use **Itch due to dandruff ***P&G calculation based on data reported by Nielsen.