[SAFE AND PAINLESS] Small bubble skin management instrument uses vacuum negative pressure technology combined with specific solutions, low stimulation and skin grinding. In the case of safe and painless, deep cleaning thoroughly removes various impurities. [EFFECTIVE]It uses gentle, deep cleansing suction to remove skin impurities, while releasing air pressure and protecting your skin from hurting,Improve oil secretion [Effect by long term treatment:]Effect by long term treatment and tighten skin and decrease fine wrinkles. Stimulate collagen cells and increase skin flexibility. [IMPROVE SKIN COLOR] : Remove skin cutin, imperfections, blemishes, wrinkles and unwanted pigmentation on the skin, Cool massage head helps to shrink pores,brighten skin color. [OUR GURANTEE]: We are professional beauty instruments factory, our goal is to let you see the more beautiful yourself ! We have faith in you and our products. So, We accept money return if there is any problem of our products(not including human destroy) in 30days