Dr. Pen m9 microneedling derma pen needle cartridges advanced technology 2.0 Intelligent microneedling system the dr. Pen m9 microneedling derma pen is an advanced microneedling device designed with technology 2.0 Intelligent auto-adjustment system, delivering precise, safe, and efficient skin treatment. With smart control features and ergonomic design, it enables practitioners to perform professional microneedling treatments with enhanced accuracy and comfort. Dr. Pen m9 microneedling derma pen needle cartridge types & treatment applications each needle cartridge is designed for specific skin concerns and treatment areas, allowing practitioners to select the most suitable option for precise and effective microneedling procedures. 18-Pin needle cartridge designed for targeted precision treatments on smaller areas. Benefits improves acne scars reduces depressed scars helps firm the skin supports localized skin repair the 18-pin configuration allows controlled penetration, making it ideal for precise treatment of small or delicate areas. 36-Pin needle cartridge a versatile cartridge suitable for general skin rejuvenation and scalp treatments. Benefits reduces wrinkles and fine lines enhances hydration and skin brightness improves firmness and elasticity helps fade hyperpigmentation can be used for hair follicle stimulation in scalp treatments this needle type is commonly used for overall skin revitalization and hair restoration procedures. 42-Pin needle cartridge best suite...