1. Oxygen , 2. skin rejuvenation 3. wrinkles removal 4. scar removal ... the facial skin. It makes use of pressurized oxygen to accelerate a liquid agent (saline) to ... .2. The most safe treatment wayThe oxygen&water device, only oxygen and water required, lustration, sanitation, ... feel comfortable and cleanlily, because of the increasing oxygen, air will become fresh. Gas resourceMedical oxygenGas ...