Derma Pen Replacement Cartridges come in a value pack of 20 and are available in 16, 36, and 42 pin configurations to suit different microneedling needs. Designed for precise and effective skin treatment, these cartridges provide consistent needle penetration to help improve skin texture and enhance the absorption of skincare products. Their sterile, easy-to-attach design ensures safe and hygienic use with your compatible Derma Pen device. Ideal for both professional and home use, these cartridges help maintain optimal performance and reliable treatment results.