... 2,Acne removal 3,hair growth 4,skin rejuvenation water oxygen/ ozone jet for cosmetic use Working principles: Use of ... saline (saline) and oxygen access air compressors simultaneously, transfer water drops of the particle type into small molecular (5- ... nozzle, inject water and oxygen into the deep skin speedy. Exfoliating and do needle-free nutritional delivery treatment painless, noninvasively. ...