Dermatologist developed to clean men's skin more effectively than hand-washing alone. Purifying brush head removes dirt and oil to help unclog pores, keep skin clear Makes shaving smoother Gentle sonic action helps skin look energized and vital Swiss-engineered brush is shaped for targeted cleansing. Unique tilted head and sonic technology reaches deep into problem areas: forehead, chin and nose Antimicrobial technology helps keep bristles clean Ergonomic handle Waterproof-can be used in the shower.