... , looseness, pigmentattion and the conventional skin problems.4.Oxygen inhalation treatment: wear the facial mask and inhale the ... neurasthenic, insomnia, migraine, etc.; Procedures of the oxygen injection, oxygen spray, oxygen inhalation Oxygen spraying (Do with the lance boom) Put ... nursing product according to the difference customers’ skin) Oxygen injectiong (Do with the nozzle) To choose the ...