Introducing the 18-pin Microneedle Cartridge, an exclusive addition to our cartridge collection available only in the latest Dr. Pen products. This innovative cartridge addresses your skin texture concerns from acne scarring. Choose from seven different cartridge options within the Dr. Pen A11 microneedling cartridges range, and opt for the 18-pin Microneedle Cartridge to target acne scarring. The 18-pin Microneedle Cartridge features a 0.18mm diameter and an N-shape line design mimics natural skin textures. Its wavy contact surface enhances skin care product absorption, and the built-in three-bayonet edge protects your device. Crafted from high-quality stainless steel, this fine gauge cartridge is specifically engineered to work seamlessly with the A11 pen. What's Included:- 10x pack of 18-Pin Microneedle Cartridges for Dr. Pen A11 Microneedling Pen Important Usage Instructions: DO NOT USE on open wounds, broken skin, or active acne. Discontinue use if irritation occurs.Sterilize microneedling cartridges before each use for safe and hygienic treatment. Follow these steps carefully:1. Wear gloves and gather the equipment: isopropyl alcohol solution (70% or above) and a clean container.2. Ensure the needles are in perfect condition and remove debris from the cartridge.3. Dip the cartridge needle into the alcohol solution or use a spray to sterilize the needle head.4. Air dry the cartridge before use. How to Use:1. Remove the sterile cover from the top of the cartridge.2. Connect the cartridge to the Dr. Pen A11 Microneedling Pen.3. After cleansing, apply Femvy Hyaluronic Acid serum to desired areas.4. Turn on the device, set the depth and speed, and begin treatment in a cross-hatch pattern.5. Use light pressure; avoid dragging or pulling the skin.6. Safely dispose of the microneedling cartridge after one treatment; do not reuse it. Usage Guidelines:Microneedling treatment for acne scarring can only be performed once every 3-4 weeks. Disclaimer:Consult your doctor before purchasing any Dr. Pen products. The information provided here is not a substitute for professional medical advice. Read and follow all instructions and information provided with the product. If you have medical concerns, contact your healthcare provider promptly. This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure, or prevent any disease or health condition. For any concerns, consult your GP or dermatologist.