This tool is a must have if you want to achieve a beautiful and young-looking skin. Very convenient to use, as it is waterproof and rechargeable. Its vibration power makes it efficient to exfoliate dead skin cells, remove makeup residue and unclog pores. Made off high quality silicone. This dual sided brush has different patterns on each side. The tiny brushes are recommended to use to clean delicate areas such as the undereyes while the top coarse brush are for the oil-prone areas such as the nose, forehead, etc.