Hi. Greetings. Don't worry. Fractional laser can take anything from 48 hours to five days to heal depending on individual skin type and healing tendency and depth and power of laser used. So don't worry. Ask your dermatologist about use of epidermal growth factor gel which can possibly cause faster healing. Another thing you can do at home is simple icing as it will reduce inflammation. Hope this helps. Warm regards Dr Govind Suresh Mittal, Bangalore.