... oxygen is spray into the skin. At the mean time this system supply sufficient nutrition to the skin, ... and water required, no side-effect, at the same time, their exiguous liquid dropping and oxygen into skin corium, ... alimentation, stimulate renew arrange of collagen, at the same time of treatment, speed skin renew, and makes skin stretch ... 35*93cmDischarged granule5~80μm Oxygen Jet facial machines