50pcs Derma Pen Needle 9/ 12/ 36/ 42/ Nano Cartridges Bayonet For Dr.pen Ultima A6

Application:
Just replace the needle. Needle length is adjustable to different sizes depending on the areas and purposes of the treatment.
It is more convenient to treat narrow areas such as the nose, around the eye, or mouth.

Features:
It is an electronic automated micro needle, with guides that adjust needles length.
It is hygienic, convenient, and safe. The perpendicular movement of the needle tip enables treatment of narrow areas and lessens the pain.