The Micro- Roller can stimulate the growth of collagen, it is perfect for anyone to get smoother, firmer skin. The roller also helps in the boosting of product absorption. You could pair the roller with your suitable skincare product or serum for maximum results. Easy to use and can be used for any skin types. You could use it at anytime with the convenience and comfort at home. With the ergonomic handle, the derma roller is easy and comfortable to use. 2.5mm 540 Titanium Microneedle Derma Roller Dermaroller Micro Needle Skin H Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store