1,water oxyen beauty machine 2,Oxygen in formulate 3 ... high pressure separation method. Together with the special design nozzle, lance boom and facial mask, the jet injects, ... customers’ skin) 2.Oxygen injectiong (Do with the nozzle) To choose the suitable essence according to the different ... inhalation ( Do with the facial mask) Put pure water into the glass, open the oxygen delivery function, put ...