Dual Power Motion - Two actions deliver clean, energized skin. Rotation provides an even, thorough cleansing, and vibration is delicate for sensitive skin types 2 Brush Heads - Pre-Shave + Charcoal Waterproof Design - Use the brush in the shower with your favorite liquid cleanser for fast, convenient cleansing Waterproof Design - Use the brush in the shower with your favorite liquid cleanser for fast, convenient cleansing