Running cool water over a burn for about 10 minutes is the single most important thing you can do right after it happens. Not cold water, not ice, just cool tap water. This simple step pulls heat out of the skin, limits the damage, and starts the healing process. What you do in the hours and days after that depends on how severe the burn is.
How to Tell if You Can Treat It at Home
Burns fall into three categories based on how deep the damage goes, and knowing which one you’re dealing with tells you whether home care is enough.
A first-degree burn only affects the outer layer of skin. It looks like a sunburn: dry, red, and painful. These heal on their own within a week or so and rarely need professional attention.
A second-degree burn goes deeper. The skin is moist, red, and blistered, and it hurts significantly more than a first-degree burn. Small second-degree burns (smaller than about 3 inches across) can often be managed at home with proper wound care. Larger ones, or those on the face, hands, feet, groin, or over a joint, need medical evaluation.
A third-degree burn destroys the full thickness of the skin. It can look white, black, brown, or deep red, and the surface is dry and leathery. Paradoxically, it may hurt less than a second-degree burn because the nerves in the skin have been destroyed. Third-degree burns always require professional treatment. They cannot heal normally on their own because no healthy skin cells remain in the wound to regenerate.
First Aid in the First 10 Minutes
As soon as the burn happens, get the area under cool running water and keep it there for about 10 minutes. This is the most effective first aid step, and delaying it reduces its benefit. Cool water works because it draws residual heat out of the tissue, which limits how deep the burn penetrates.
Don’t use cold water or ice. Extreme cold damages skin cells just like extreme heat does, and it can make the injury worse. After cooling, gently pat the area dry and loosely cover it with a clean, non-stick bandage.
What Not to Put on a Burn
Butter, cooking oil, coconut oil, and toothpaste are all common home remedies that actively make burns worse. Greasy substances trap heat in the skin rather than letting it dissipate, which deepens the injury. Butter can also introduce bacteria into the wound, raising the risk of infection, and the thick residue makes it harder to clean the area later.
Ice and ice water fall into the same category. They feel like they should help, but the temperature extreme causes additional damage to already fragile tissue.
Treating the Burn Over the Following Days
For first-degree burns and small second-degree burns, the goal during the healing period is to keep the wound clean, moist, and protected from infection.
Gently wash the burn once a day with mild soap and water. After cleaning, apply a thin layer of antibiotic ointment and cover it with a non-stick dressing. Antibiotic ointments are easy to apply and remove during dressing changes, and they work well for burns where the skin is expected to heal on its own. Change the dressing daily or whenever it gets wet or dirty.
Aloe vera is a well-supported option for minor burns. A meta-analysis of randomized controlled trials published in the Journal of Burn Care & Research found that aloe vera shortened wound-healing time by nearly four days compared to other topical treatments. Look for pure aloe vera gel rather than products with added fragrances or alcohol, which can irritate the wound.
For pain, over-the-counter options like ibuprofen, naproxen, or acetaminophen all help. Ibuprofen and naproxen have the added benefit of reducing inflammation, which can ease swelling and tenderness around the burn.
What to Do About Blisters
Blisters are your body’s natural bandage, and the general rule is to leave small, intact ones alone. According to British Burn Association guidelines, blisters smaller than about 6 millimeters (roughly the size of a pencil eraser) that aren’t under tension should stay intact. They provide a natural layer of pain control and are unlikely to rupture on their own or interfere with healing.
Larger blisters with thin walls are a different story. These tend to rupture on their own, which creates a messy wound with a higher infection risk. Blisters on the palms, fingertips, or soles of the feet can also limit movement and cause significant discomfort. In these cases, a healthcare provider can safely drain or remove the blister roof, clean the wound bed, and apply appropriate dressings. Resist the urge to pop blisters yourself, since unsterile tools introduce bacteria directly into the wound.
If a blister ruptures on its own, gently clean the area, trim any loose dead skin with clean scissors if possible, apply antibiotic ointment, and cover with a fresh dressing.
Signs of Infection to Watch For
Burns are vulnerable to infection because the skin’s protective barrier has been compromised. Over the days following your burn, watch for these warning signs:
- Increasing pain rather than gradually improving pain
- Spreading redness or warmth beyond the edges of the original burn
- Pus or cloudy drainage from the wound
- Fever or chills
- Red streaks extending away from the burn
Any of these signs mean the wound needs medical attention. A rapidly spreading rash or high fever warrants urgent care.
Minimizing Scars as the Burn Heals
Once a burn has closed over with new skin, that fresh tissue is fragile and highly susceptible to sun damage. New scar tissue that gets UV exposure tends to darken permanently, and the sun breaks down the collagen and elastin the skin needs to rebuild its strength and flexibility.
Apply a broad-spectrum sunscreen with SPF 30 or higher to the healed area every day, reapplying every two hours when you’re outdoors. This is recommended for optimal protection against discoloration and long-term changes in the scar’s appearance.
For burns that do leave a raised or thickened scar, silicone gel or silicone sheets are the first-line treatment recommended by dermatologists and plastic surgeons. They work by creating a protective barrier that regulates moisture and temperature over the scar, which prevents the overproduction of collagen that causes raised, ropy scars. Consistent use for at least 12 hours a day over 8 to 12 weeks can significantly flatten and fade scars. If you’re using silicone gel under sunscreen, let the gel dry fully before layering sunscreen on top.