Features:<br/>The Micro-Needle Roller can stimulate the growth of collagen, it is perfect for anyone to get smoother, firmer skin.<br/>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.<br/>Easy to use and can be used for any skin types. You could use it at anytime with the convenience and comfort at home.<br/>With the ergonomic handle, the derma roller is easy and comfortable to use.<br/>Needle length: 0.2mm/0.25mm/0.3mm/0.5mm/0.75mm/1.0mm/1.5mm/2.0mm/2.5mm/3.0mm are optional, can be used on different skin area. Suitable for home and professional use.<br/>Great for both women and men. Men can use this product to stimulate facial hair growth.<br/><br/>How to Use:<br/>1. Clean your face and dry completely.<br/>2. Apply suitable nutritional serum on the area of skin.<br/>3. Gently Roll over skin about 4-5 times in vertical, horizonal and diagonal directions.<br/>4. After rolling, reapply desired skincare product needed on the skin.<br/>5. Clean the roller and put it back in the storage box.<br/><br/>Specifications:<br/>Type: Micro-Needle Roller<br/>Material: Plastic, Stainless steel<br/>Color: Black&#43;Purple<br/>Neddle Length: 0.2mm/0.25mm/0.3mm/0.5mm/0.75mm/1.0mm/1.5mm/2.0mm/2.5mm/3.0mm(Optional)<br/>Package Size: 16*5*4.2cm / 6.3*2.0*1.7in<br/>Package Weight: 90g / 3.2oz<br/><br/>Package List:<br/>1 * Micro-Needle Roller