4 in 1hydrogen oxygen whitening facial beauty machine for home use, Black;white

1.the principle of small bubbles, through the formation of a vacuum circuit,the tiny bubble and nutrient solution are fully combined,through a special design of spiral suction directly acting on the skin surface. 2.the instrument produces thousands of bubbles,small bubbles with the skin contact vibration,the skin takes away the excess cuticle,so that the skin to return to normal angle layer thickness. 3.with the original solution,to improve the skin,clean and whitening,tonic,exfoliate,remove blackhead oily skin and other multi-layer effects..syi