electric dr pen a7 ultima microneedling roller cartridges needles derma pen microneedle mesotherapy skin care for face acne scars

1. built-in needle installation, more secure and stable; 2. 6 speed adjustment, the speed is more refined, and the effect of treating the problem skin is maximized; 3. the diameter of the needle is 0.18mm, the area of the wound is small and the pain is light; 4. precision scale:adjustable needle length for different skin problems; 5. function: increases the absorption of facial skin care products,, maximizing their effectiveness.syi