... oxygen, Ultrasonic Lymph smooth certificate:CE Oxygen Skin Beauty Equipment-LD-OX1 Function:Injection oxygenSpurt oxygenInhale oxygenUltrasonicLymph ... -3L/min5. Oxygen concentration: >90%Applications:1,skin rejuvenation,removal facial blemish,tighten large hair pores,deeply cleaning ... lines,wrinkles and spider veins4,Acne removal:remove acne,blackheads and acne scar,restrain the inflammation