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Dermaroller needle
1. Size: 0.22X0.2mm, 0.22X0.5mm, 0.22X1.0mm，0.22X1.5mm，0.22X2.0mm
2. Definition:
The dermal roller is the best and most effective device for deep transdermal enhancement of active substances through the epidermal barrier(stratum corneum)
3. Advantages:
1）The treatment is free of pain
2）here are no known negative side effects
3）You can use it at home ,whenever you wish
4）Apply your cosmetic on the skin-and roll it in
4. Effectiveness:
The uppermost skin-layer, the epidermis , is a brick-like structure of scales. The mico-needles only push them aside, forming tiny mico-pores. While the dermal roller over the skin the previous applied substance (cosmetic only) is transported the deeper skin layers. Parallel to this action the stratum corneum acts like a longterm depot to retain the active substance