1Fine Needle: The ultra fine diameter needle is more suitable for the skin texture, reducing pain, reducing trauma, and allowing the skin to recover sooner. 2Disposable and Hygienic: The micro needling cartridge is sealed separately, disposable type, convenient, safe and hygienic, more assured to use. 3Microneedling Accessory: Microneedling cartridge can be used with the microneedling instrument, which can beautify freckles and acne with better effect. 4Easy to Observe: The translucent needle tip is convenient for the operator to observe, easier to operate and use, and it is not easy to make mistakes. 5Plastic Material: The microneedling machine cartridge is made of plastic material, which is safe and environmentally friendly, sturdy and wear resistant.