Head & Shoulders Clinical Strength Advanced Cooling Itch Rescue* Shampoo delivers Head & Shoulders' maximum dandruff protection while tackling stubborn dandruff and scalp itchiness*. Powered by 1% Selenium Sulfide, an active ingredient against dandruff, this shampoo starts working 2 times faster to fight the main cause of dandruff**. Its powerful formula deeply cleanses, targeting the root cause of dandruff to restore your scalp's natural balance. Dermatologically tested and clinically proven, this shampoo refreshes your scalp with every wash, leaving behind a refreshing menthol scent and giving you the confidence of healthier, cleaner hair. *itch related to dandruff, with regular use **more Malassezia inhibition at 2 hours vs 4 hours with Classic Clean shampoo head & shoulders