1.clean and lighten skin 2.whiten,anti-wrinkle,anti-aging 3.promote circulation 4.improve metabolism 5.OEM,CE Multifunction Facial Oxygen & Water Injection/Jet/Infusion Oxygen Facial Machine Hyperbaric Chamber for Skin Care (JB-5200) Main Theory1.capture instrument will separate oxygen,filtering harmful subsance in the air;2.low cost oxygen;3.simple operation;4.with air as raw material,do not ...