... agent (saline) to supersonic velocities, creating an exfoliative effect on the skin. The liquid agent (saline) is compounded with ... papilla acne, improving the appearance of lipidic skin and acne pit.3. Skin care: skin whitening and softening, facial lifting and tightening, ... required,lustration,sanitation,no side-effect,also can melt collagen,vitaminC into water,speed skin renew.The treatment depth ...