Through the rolling stimulation of hundreds of tiny needles, it can create tiny channels on the surface of the skin. These tiny channels allow skin boosters to smoothly enter the dermis of the skin and maximize the role of skin boosters. In addition, these tiny wounds can activate the self-repair mechanism of the skin, thereby achieving the effect of improving skin quality.
However, many people have a question when they first come into contact with Derma Roller: Which derma roller size is the best?