Designed for DrPen A9 These18 pin cartridges are tailored for the DrPen A9 model ensuring precise compatibility and effective skin treatments Improves Skin Texture Reduces Scars Perfect for reducing fine lines wrinkles acne scars and uneven skin texture these 18pin cartridges stimulate collagen production to rejuvenate the skin Sterilized Safe to Use Each cartridge is presterilized and individually packaged ensuring maximum hygiene and safety for both professional and home use Disposable for Safe Use Singleuse disposable cartridges guarantee hygienic treatments and prevent crosscontamination making them ideal for personal and professional applications Professional Results from Home Whether youre a skincare expert or a home user these cartridges deliver salonquality results for a more youthful smooth complexion