... pressure CE, oxygen skin machineHyperbaric oxygen therapy machine with mask No ache,no heat,easy operateThe ... of itch, sensitive skin, neurodermatitis, touch dermatitis.2.Suck oxygen: we suck oxygen directly .So ... of itch, sensitive skin, neurodermatitis, touch dermatitis.2.Suck oxygen: we suck oxygen directly .So ... can abstract 98% pure oxygen from the air due to fittings which were specially designed. ...