Theory of Microneedle Therpy:
The automatic gold needle roller is a new high-tech product that combines the introduction of micro needles and essence. Using physical principles and 3D design, each rolling scroll touches the golden valve to automatically introduce the essence into the bottle. Then the micro-needle made by the micro-needle quickly penetrates into the skin and absorbs it effectively to achieve whitening and replenishment. Rejuvenation, wrinkle, freckle and other effects. The traditional microneedles and essences are independent splits. In the use, “smear-microneedles-smear-microneedles” can be inconvenient, resulting in uneven waste of the applied essence. How to combine microneedles and essences into one and automatically import them.