Soft silicone material with rounded silicone bristles for gentle, friction-free cleaning. Long battery life, fully charged up to 200 applications. Auto-Off function after 3 minutes. Easy to clean silicone material reduces the risk of bacteria building, material is non-porous and hypoallergenic. Waterproof to IPX7. Professional cleansing product (creamy cleansing foam) has been awarded the dermatest 5 star seal.