... 2,Anti-wrinkle equipment. 3,Safe and effective device. 4,CE,RoHs,FCC 3 in 1 Multifunction Portable Ultrasound and LED Skin Rejuvenation ... skin, shrinking pores andrelieving reddish skin. It is applicable for allergic skin and acne. Negative electrode cangenerate alkali action, ... and chemical effects can rise the temperature in deep skin by 0.5-1°C, promoteskin to absorb essences, accelerate metabolism ...