Powered by 1% selenium sulfide, our Clinical Strength formulas start working 2X faster* to fight the main cause of dandruff and seborrheic dermatitis. In a clinical trial, Clinical Strength outperformed prescription-grade 2% ketoconazole in reducing scalp flaking with regular use. Our Clinical Strength products help break the cycle of persistent scalp concerns with dermatologist-tested, clinically proven formulas.
*kills more Malassezia at 3 washes vs 6 washes with ordinary anti-dandruff shampoos
