Head & Shoulders Clinical Strength Dandruff Shampoo Twin Pack, Advanced Oil Control with Refreshing Citrus, 13.5 Oz Each

ADVANCED OIL CONTROL: 35% more dandruff fighting power fights Malassezia after 1 wash vs ordinary anti-dandruff shampoos
PRESCRIPTION STRENGH: Made with 1% Selenium Sulfide for prescription strength dandruff relief and flaking protection flake protection vs prescription dandruff shampoo 2% ketoconazole
CLINICALLY PROVEN: Up to 100% dandruff protection visible flakes; with regular use.