Derma Roller Sizes
Derma Roller Size 0.2-0.3 mm derma roller This derma roller is the shortest microneedle roller, used to pierce the stratum corneum, creating numerous tiny channels that allow various skincare products to penetrate the stratum corneum and reach the epidermis, thus allowing better absorption of the skin. This length of microneedle can stimulate collagen regeneration, and …