The burn will heal normally. Laser burns are the same as any other burns.
But the main thing is to prevent scarring. This is the goal of treatment.
The steps to take to prevent scarring are:
If the wound is 'wet' and not healed yet, you have to do regular dressing.
Wash with clean cold tap water and soap. Rinse thoroughly.
Apply a lot of ice to it. This is the best - will cool down the pain and also reduce inflammation.
Apply ointment Silver Sulfadiazine (Sliverex, Silvadene) OTC on the site for four to five days till it heals.
Apply a sterile semi permeable bandage - available OTC at the pharmacy - over the wound, change it daily, to avoid rubbing by clothes.
Once the wound is dry, you have to take steps to prevent scarring.
Apply Vaseline ointment over the wound.
Stretch the wound gently every day, at least twice a day. This will prevent contracture.
Silicone pads - these are to be applied tightly over the area, you can also get them OTC at the pharmacist.
Apply sunscreen or cover with clothes whenever going out, it is important to prevent sun exposure.
These steps will minimize scarring.
Hope I have been able to clarify the situation for you and helped in resolving your query.
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Dr. P. Jyoti