✅The product is only a tool, empty tool. It does not contain Liquid&Fillers&HA&Gel. You need to buy hyaluronic acid elsewhere.In order to avoid wasting your expensive products, we recommend that you watch teaching video and practice more times before using. ✅With accurate scale on the pen body, the scale is clearly visible and easy to use. Easy for adjust, accurate,engraving, durable to use. ✅Please make sure the adapter have an opening at the end to allow the hyluronic gel to shoot out.Make sure to double check that before inserting your product.If you find there have some adapters without an opening at the end, please show me the pictures, we can offer replacement. ✅Package Included: Please select the item in the options, i fyou want to order the pen, please choose the pen kit. The nozzle are in the sealed and steriled package. ✅Correction Operation: How to adjust the product dose to the most precise. The first step: First pressure spring. Second steps: Scale up to 30 and install the nozzle. Then scale down, twist to see the bottle head, there is a liquid to overflow, and then the spring. Note: Scale 1 frame is 0.01ml, for example, if you want to play 0.05ml, then down 5 frames, a maximum of 12 frames is 0.12ml. None None







