... lymph way. (About 15 minutes)3. Oxygen spray:Use Mist Sprayer to spray oxygen on the face to make skins accommodate with the pure oxygen ... nose to do oxygen scent. After it, please apply mask for skin care.If less of oxygen, how is the people going ... ?Less oxygen at brain——Swirl, headache, tingle, nausea, nervous, lose heart, consciousness and to be death ...