... technique, using only water and oxygen.( 3) the patent of self-made oxygen system, without external oxygen bottle.( 4) man-controlling ... detection system, to make the treatment more precise, targeted.Treatment range( 1): scar removal: scars from scald, operation, acne pits, ... 3): skin rejuvenation: to remove pigment, to shrink pores, to clean deeply the skin, to enhance skin elasticity and gloss.( 4 ...