... oxygen shortage, such as dark and light skin, wrinkles, looseness, pigmentattion and the conventional skin problems.4.Oxygen inhalation treatment: ... face to inject the oxygen is 30 minutes. And do it from the forehead to the chin. For the skin ... life, industrial pollutioHalitosis,abdominal, distention,coprostasis, dry skin, looseness and no elasticity,whelk,fleckThe second layercellsThe spread of the ...