1.CE, ISO13485 approval 2.OEM/ODM service 3. Oxygen Detector 4.Oxygen in formulate 5.Skin Dector How it works It is ... helps rejuvenate the facial skin. It makes use of pressurized oxygen to accelerate a liquid agent (saline) to supersonic velocities, ... makes skin stretch. 2.The most safe treatment wayThe oxygen & water device ,only oxygen and water required, lustration, sanitation,no side-effect ...