Directions: 1. Sterilize roller in alcohol solution before and after each use. 2. Wash and pat skin dry. 3. Do not puncture skin but apply pressure. Roll back and forth in desired area for 4 - 5 times. Switch direction. 4. Apply moisturizer or repairing serum AFTER use. 5. Use once a week for optimal results. 6. Replace roller once every 1 - 2 mont..