These are microneedling pen replacement cartridges, compatible with most standard dermapen devices for skincare treatments. Each cartridge is equipped with precisely aligned microneedles, designed for collagen induction therapy, skin rejuvenation, and transdermal serum delivery. Made with high-quality medical-grade stainless steel and durable blue plastic casing, they ensure safe, hygienic, and effective treatment by minimizing skin damage while promoting natural healing. The cartridges feature a spring-loaded design for stable needle depth control and easy installation, allowing users to replace them quickly during facial or scalp microneedling sessions. Ideal for: Professional estheticians, dermatologists, and advanced home users aiming to improve skin texture, reduce fine lines, and enhance skincare absorption efficiently. These needle cartridges are crafted using medical-grade stainless steel and high-quality plastic, ensuring both performance and safety. Each cartridge is individually sealed and EO gas sterilized, making them 100% hygienic and disposable after single use, which prevents cross-contamination and protects your skin. Available in multiple configurations, these cartridges support a wide range of skin concerns including fine lines, acne scars, enlarged pores, dullness, hyperpigmentation, stretch marks, and overall skin texture improvement. Choose the needle type that suits your treatment goals—from targeted repair to full-face rejuvenation. Needle Options & Benefits: 12 Pin Cartridge: o Ideal for overall skin tightening and treating light acne scars or fine lines. o Balanced penetration for daily or weekly use. 36 Pin Cartridge: o Provides coverage for larger surface areas. o Enhances skin texture, reduces blemishes, and promotes skin cell renewal.