Directions: <br> 1. Sterilize roller in alcohol solution before and after each use. <br> 2. Wash and pat skin dry. <br> 3. Do not puncture skin but apply pressure. Roll back and forth in desired area for 4 - 5 times. Switch direction. <br> 4. Apply moisturizer or repairing serum after use. <br> 5. Use once a week for optimal results. <br> 6. Replace roller once every 1 - 2 months if using frequently and store in plastic case. <br><br> Do Not Use: <br> - Products that contain retinol right after using roller. Wait several days after rolling before using retinol. <br> - On open wounds. <br> - On acne or irritated skin. <br> - Under eyes or on lips. <br> - Discontinue use if irritation occurs.<br><br> Please note that Sanitize the head in an alcohol solution for 5-10 minutes before and after each use, Dry it off then place it back into the case. Don't Soaked in alcohol too long as overnight, this should definitely help with deterring from rust and keep needles sharp.