... ionization in air, to produce 94% pure oxygen, matched with oxygen infusion jet, oxygen sprayer and oxygen scent, not only acts on the face ... rejuvenation, promote metabolism. In virtue of oxygen device, oxygen therapy can infuse the pure oxygen into skin bottom, if matched with other ... is for two sides of nose-wing.3 Oxygen Scent (Use Oxygen Mask)Open Oxygen Mask function and place the mask on the ...