# Dr. Pen 36 Needle Cartridge Precision microneedling technology designed for professional and at-home skin rejuvenation. The 36-needle cartridge delivers controlled micro-injuries that stimulate collagen production and enhance skin texture, firmness, and radiance. Compatible with Dr. Pen devices, this cartridge offers consistent needle depth and spacing for uniform results across treatment areas. Ideal for addressing fine lines, acne scars, enlarged pores, and uneven skin tone. Each cartridge is sterile and engineered for optimal performance, making it an essential component for effective microneedling treatments that reveal smoother, more youthful-looking skin.