<ul><b>How to Use</b> <li>Sterilize roller in alcohol solution before and after each use</li> <li>Wash and clean the area that roller will be applied. Let it dry for a while</li> <li>Apply a kindly pressure to your skin with the roller</li> <li>Roll back and forth vertically, horizontally and diagonally 5-6 times</li> <li>Use once or twice a week. Everybody has a unique skin type so you can give a few try to arrange the best usage frequency for yourself</li> <li>Replace the roller once every 2-3 months</li> </ul><br><ul><b>Recommendations and Cautions</b><br><li>Apply moisturizers or serums in 15 minutes after the use of derma roller</li> <li>Keep the roller in storage case after use and keep away from children</li> <li>Do not share the roller with others. It is personel use only</li> <li>Not recommended on lips and under eyes</li> <li>If irritation occurs, immediately stop using</li> </ul>