Product description ------------------- Replacement Needle Cartridges for Dr.pen A6 & A1 Model: Specifically designed to fit Dr.pen A6 & A1 Microneedling Pen. Ensure compatibility by double-checking before making a purchase. Advanced Technology: The Dr.pen Series Microneedling Pen incorporates the latest technology, allowing you to control both the speed of vibration and the needle length. This flexibility ensures maximum results across all areas of the skin. Replacement Cartridge Needles Features: Adjustable needle length (0.25~2.5mm). Hygienic, disposable, and safe. The needle tip enables treatment of narrow areas with reduced pain. Skin Care Attributes: Lightens color spots, relieves dark sores and pores. Thinning nutrition input, decreases slender lines, promotes cell regeneration, relieves stretch marks, and improves complexion. Needle Functions for Reference: 12-pin needle: Repairs acne pox pit, removes acne, and eliminates stretch marks and wrinkles. 36-pin needle: Whitens, hydrates, removes spots, and shrinks pores. 42-pin needle: Painless nutrition import, whitens skin, removes spots, and rejuvenates the skin. Nano needle: Painless nutrition import, whitens skin, removes spots, and promotes eyelash and eyebrow growth. Experts recommend: Use Dr.pen Microneedle with topical numbing cream and Vitamin C serum for optimal results. Available Cartridge Needle Sizes: 9 Pin 12 Pin 24 Pin 36 Pin 42 Pin Nano-R Nano-S Nano-3D Nano-5D At Lazzybeauty Store, we offer 10pcs/20pcs/30pcs/50pcs quantity bundles. Please Note: This link is compatible only with the Dr.pen A6 & A1 model microneedling pen. It includes replacement cartridges; the device is not included. Cartridges are disposable and should not be reused. Sterilize replacements with alcohol before use. Legal Disclaimer ---------------- Beware, this is NOT a medical device. It does not aim to diagnose specific conditions or diseases. Neither it is intended to cure, mitigate, treat, or prevent chronic skin conditions or diseases. We don’t assume any responsibility for the inappropriate use of products included in the package. NEVER use on open wounds, on acne, or irritate the skin. Stop using the device if irritation or discomfort occurs.