Dermatologist developed for blemish-prone skins to clean where you need it most. Used for just 1 minute, 2 times per day, the brush lifts makeup, dirt and oil. Specialized bristles deep-clean skins prone to breakouts. Gently cleanses to unclog pores and keep them clear. Gentle sonic action helps skin look fresh, healthy that hand washing may miss. Anti-microbial bristles.