... LCD screen for before and after Best skin care oxygen water machine with LCD screen Applications: 1,Skin rejuvenation, remove ... Specifications: Gas TypeMedical oxygenSkin Surface ScanRecording before &after pictures by LCD screenPressureMax 0.6MPa (90Psi, 6Bar)Gaseous Oxygen Flow15L/min ... and to kill the anaerobic bacteria, meanwhile, moisture, oxygen, and other nutrients of the skin can be supplied, ...