Most sunburns heal within about 3–7 days, but more serious burns can take 10–14 days or longer for the skin to fully recover. Pain and redness usually improve within 2–3 days, while peeling and color changes can last up to a couple of weeks in bad burns.

Typical healing timelines

  • Mild sunburn: Redness and soreness often peak in 24 hours and ease in about 2–3 days; skin may look back to normal in roughly 3–5 days.
  • Moderate sunburn: Pain, swelling, and deeper redness may take about a week to settle, with peeling starting around day 3 and lasting up to 7–10 days.
  • Severe/blistering sunburn: Blisters can take 7–10 days to heal, and overall recovery can stretch to 10–14 days or more, with peeling and color changes lasting several weeks.

What affects how long it takes

  • How deep the burn is: Blistering or very red, swollen skin means deeper damage and a longer healing time.
  • Skin tone and history of burning: Fairer skin and repeated burns tend to worsen damage and slow recovery.
  • Ongoing sun exposure and care: Protecting the area from more sun, staying hydrated, and moisturizing gently can help the skin heal faster, while new sun exposure delays recovery.

How to support healing

  • Cool, damp cloths or cool (not icy) baths to ease pain and heat.
  • Gentle, fragrance‑free moisturizer or aloe gel to keep skin hydrated and reduce dryness and peeling.
  • Over‑the‑counter pain relievers like ibuprofen or acetaminophen if you can use them safely, plus plenty of fluids to prevent dehydration.
  • Loose, soft clothing and strict sun protection (shade, clothing, broad‑spectrum sunscreen) over the burned area.

When to see a doctor

  • Large areas of blistering, severe pain, or burns on the face, hands, feet, or genitals.
  • Signs of infection such as pus, worsening redness, streaks, or fever and chills.
  • Symptoms like confusion, dizziness, rapid pulse, or nausea, which can signal heat illness or severe dehydration.

Information gathered from public forums or data available on the internet and portrayed here.