- Original 12-pin replacement cartridges, compatible with Dr.pen models M7, M5, N2, and E30 - Includes 15 units, each one sterile and individually sealed for safe and personal use - High-quality disposable needles, manufactured by an authorized supplier to ensure authenticity - Bayonet slot system that makes installation easy and ensures compatibility - Recommended for facial rejuvenation treatments, reduction of acne scars, fine lines, and improvement of skin tone - Allow for more effective application of cosmetic products and makeup - For personal use only; do not share or reuse to avoid risks - Do not use on irritated skin, open wounds, or active acne - Professional solution for at-home skin care