... and Ultrasonic 3,Facial Beauty Equipment 4,Nutrient solution( ... microneedle injection. It takes electrophoresis, uses the electroporation and electroosmosis, by orientation ... for a certain term and shorten the period after treatment.Application:facial ... by orientation, layer-oriented, ration, to transmit many kinds of nutrition into deep-seated cells, let skin whitening, wrinkle and freckle removal ...