... biology current to pull skin.Main Efficacies 1.Oxygen spray treatment: use the oxygen, together with the active concentrated essence, to ... wrinkles, looseness, pigmentattion and the conventional skin problems.4.Oxygen inhalation treatment: wear the facial mask and inhale the ... metabolism, improve skins dull, wrinkles, slack, melanin and etc.Oxygen sprayer head - cure all kinds of itch, sensitive skin, ...