Dr.pen M8S/A9 Microneedle Pen Replacement Cartridges 20pcs Multi-Size Assorted Pack | Compatible with M8S/A9 Devices

• Includes M8 multi-spec needle kit: 3*12 needles / 3*18 needles / 3*24 needles / 3*36 needles / 3*42 needles / 3*nanocrystalline needles / 2*round Nano needles. Fully covers all skincare needs and can be customized according to your treatment preferences. • These replacement cartridges are specially designed for Dr. Pen A9 and M8S microneedling pens, not compatible with other models. • Individually packaged cartridges with anti-backflow function. The wavy contact opening allows the serum to be absorbed more evenly on the skin. • IMPORTANT: Use each cartridge only ONCE. Always dispose of cartridges after use; they are NOT reusable. Repeated use of a cartridge may result in skin irritation and other negative side effects. • ATTENTION: Before turning on the pen, make sure to remove the white cover on the top of the cartridge. For personal use only. Do not share with others to avoid infection. Never use on open wounds, on acne, or irritate the skin.