Dr. Pen a7 replacement needle cartridges dermapen tips: the dermapen uses 1 3 7 912 36 micro-sized 33 gauge micro needles to stimulate the dermis faster than a manual dermal roller, resulting in shorter treatment times. With an adjustable needle depth length , the dermapen needles vertically pierce the skin to enhance rejuvenation results, maintain epidermal integrity, and reduce patient downtime. Dermapen is an electronically powered micro-needling device and uses a singular spring-loaded microneedle tip to puncture small holes at a rate of 1000 second. Advantages of needles cartridge: a. Does not destroy the structural integrity of the skin b. Gradually remove the skin-deep toxins and waste c. Establish a direct transportation between skin and beauty product d. Promote the skin metabolism e. Improve the ability of wound healing and anti-aging f. No side effects, safe and reliable g. Simple operation h. Effect is more remarkable than the general beauty products i. Dermapen micro cartridge needle is your best choice for beauty and skin care treatments. Can i reuse the tips the dermapen sterile micro needle tips are designed to be disposable and are for single use only to prevent cross-contamination and infection. The micro-needle tips cannot be properly decontaminated due to the materials used in the construction of the micro-needle tip cartridge itself. We strongly recommend against re-using microneedle tip cartridges, as patient safety is of paramount importance. The de...