Head & Shoulders Citrus Fresh Anti-Dandruff Shampoo removes up to 100% of dandruff With lemon and citrus essence to deeply purify the scalp to tackle grease oil and dandruff flakes leaving your hair with a citrusy smell The powerful shampoo controls scaling and flaking from the 1st use and protects against dandruff The clinically proven formula contains Piroctone Olamine the active ingredient that fights dandruff-causing microbes This powerful pH balanced anti-dandruff shampoo has a creamy texture light and fresh scent and is efficient on all hair types World’s #1 anti-dandruff shampoo that is dermatologically tested