These burns typically take 2–3 weeks to heal. Sometimes a person needs a skin graft to treat them. Second-degree burns often leave a scar, which may fade over several years.

What type of burn will scar?

First-degree burns often heal on their own without scarring. Second- and third-degree burns usually leave behind scars. Burns can cause one of these types of scars: Hypertrophic scars are red or purple, and raised.

Do burns scar your skin?

Research shows that less severe burns that heal in less than 14 days generally have no scarring. More severe burns heal in 14 to 21 days and put you at a risk of scarring. Burns that take more than 21 days to heal are at very high risk for scarring and may require skin grafting.