... used for nursing skin wrinkle.Operation Theory The Almighty oxygen jet ionizes the gas of the air and creates the ... nozzle, lance boom and facial mask, the jet injects, spays and inhales the oxygen directly to the wrinkle and dry skin, ... ----neurasthenic, insomnia, migraine, etc.; Procedures of the oxygen injection, oxygen spray, oxygen inhalation Oxygen spraying (Do with the lance boom) Put the ...