• Replacement needles with 36-pin bayonet (0.18 mm) designed for Dr.pen Ultima A10 • Bayonet slot locking system secures the needle to the device, providing safety and stability during use • Each microneedle cartridge is individually packaged in a sterile manner to ensure hygiene • It is recommended to sterilize the cartridges with 75% alcohol before use • Anti-backflow design with silicone handle prevents liquids from returning to the device, protecting its operation • Cosmetic tool indicated for facial and body treatments, used together with suitable skincare products • Promotes the absorption of essences, firms and lifts the skin, contributing to smoother skin • Helps improve the appearance of enlarged pores, fine lines, wrinkles, hyperpigmentation, dullness, and skin laxity • Single-use needles, disposable after each application to avoid irritation, cross-infection, and other side effects • Do not share or reuse needles after use