1.CE, ISO13485 approval 2.OEM/ODM service 3. Oxygen Detector 4.Oxygen in formulate 5.Skin Dector How it works It is ... care: skin whitening and softening, facial lifting and tightening, eye bag and black eye circle removing, weary skin and gloom yellow ... makes skin stretch. 2.The most safe treatment wayThe oxygen & water device ,only oxygen and water required, lustration, sanitation,no side-effect ...