Introducing Dr.pen's Needle Cartridge for Derma Pen, designed for use with Dr.pen models. This high-quality needle cartridge, with a length of 0.25mm, comes individually sealed in a sterile EO gas-treated plastic bag, ensuring a non-pyrogenic and disposable solution. Certified with CE, the bayonet tips are crafted from stainless steel, providing both durability and safety. The advantages of this needle cartridge are manifold, as it preserves the skin's structural integrity, gradually eliminates deep-seated toxins, establishes direct skin-beauty product transportation, promotes skin metabolism, and improves wound healing capabilities. With no side effects, a simple operation, and remarkable effectiveness compared to general beauty products, the Derma pen needle cartridge for micro-needle emerges as the top choice for beauty and skincare treatments.