Disposable Derma-Roller/ Skin Prick Needle Product ApplicationIt is suitable for families, beauty salons, etc. By rolling the needle evenly on the face, it stimulates the skin to open a large number of fine channels, so that the hyaluronic acid essence, collagen, etc. are absorbed on the face, in this way the absorption rate reaches 95%, thereby reducing wrinkles, Treat scars, lighten dark spots, whiten skin, etc. Product Specification1.Different needle size and length to different skin problems, 0.5mm,1.0mm,1.5mm 2.There are 8 drip ports side by side to control the uniform dispensing.