Take control of your scalp health with the Head & Shoulders Clinical Strength Advanced Oil Control formula. Specifically engineered for stubborn dandruff and oily scalps, this shampoo provides prescription-strength relief without the need for a doctor's visit. It is infused with 1% Selenium Sulfide, a powerful active ingredient clinically proven to treat severe flaking and persistent itching. The "Advanced Oil Control" formula deeply cleanses to remove excess sebum and impurities, leaving your hair feeling fresh and looking healthy. It is tough on dandruff but gentle enough for daily use, providing a protective barrier that prevents flakes from returning.