About the product BETTER CLEANING- The New sonic cleansing technology uses 7,000 pulsations per minute that are channeled by the silicone touch- points in a non-irritating pulsation to get all dirt oil and makeup residue out of your pores,and in turn helps to reduce your pore size. MEDICAL GRADE SILICONE MATERIAL - This brush is made of medical grade silicone and special craft processing, it is super soft. The front has mostly small bristles with a small area of medium ones, and the back has all large bristles. You can using the front to cleans face and the back to massage in your serum. It can better penetrate into the pores of the skin, but also adopts the vibration, so as to better achieve the magical effect of cleaning and beauty. MASSAGE SKIN: The sonic face brush will massage your facial muscles with thousands of silicone fingers vibration on skin.It boosts blood circulation,just like the Face Yoga Method exercises,increasing the production of collagen and elastin to restore the skin"s elasticity and firmness. PERFECT FOR USE, STORAGE AND TRAVEL - It is approximately the size of the palm of your hand. The ergonomic design fits nicely in your hand. The narrow edge of the device is perfect for the area around your nose and makes it simple to effortlessly into areas like the side of the nose. It gets a bit deeper into the pores than using your hands, along with the circular motion of your hand and you get a facial massage at the same time you get a really good deep clean! SAFE MATERIAL and USE- Made of food grade silicone,and it does not irritate your skin, providing a comfortable facial feeling.IP66 waterproof grade,safe for use in shower.