Cleaning the face to prepare for applying creams and lotions. Exfoliating of dead skin cells to reveal a roseate , youthful skin.massage and application of cream to better penetrate the skin and keep it nourished and hydrated. Removing hard cells under foot or elbow. Operated by 2aa batteries (not included). Have 5 accessories. This is the 5 in 1 battery beauty care massager. It operated by 2xaa batteries (not included), have 5 accessories. Features: sponge massage head: to clean your skin and absorb grease tapered massage head: to massage potholes area in your face, like the nasal cavity and etc lotus massage head: to accelerate the facial massage effect ball massage head: to accelerate metabolism, make your skin smooth and elastic prick massage head: to bring a more comfortable massage experience exfoliating of dead skin cells to reveal a roseate ,youthful skin.