10 replacement Nano Round needle cartridges for the Dr Pen M8 Derma Pen. The Nano Round cartridges are excellent for increasing product and active ingredient penetration into the skin.
Dr Pen Nano Round Needle Cartridge for Ultima M8 Pen x 10
10 replacement needle cartridges for the Dr Pen Ultima M8.
Nano Round variety cartridge.
Designed to increase product penetration into the skin by up to 97%.