1Pcs Electric Derma Pen Needles Bayonet Nano Cartridge

Electric Derma Pen Needles Bayonet Nano Cartridge, Just replace the needle. Needle length is adjustable to different sizes depending on the areas and purposes of the treatment. Used with derma pen
Adjust the length of the microneedle (0.25~3.0mm), Easier to operate in small areas or curved areas, High speed in the vertical direction relieves pain and erythema, Faster and more efficient than manual microneedles.