For a minor burn, the first thing to put on it is cool running water for 20 minutes. After that, apply a thin layer of petroleum jelly or antibiotic ointment and cover the burn with a non-stick bandage. That simple combination protects the wound, keeps it moist, and gives it the best chance to heal without infection or scarring.
Cool Water First, Not Ice
Before you put anything on a burn, you need to stop the burning process. Hold the affected area under cool (not cold) running water for a full 20 minutes. Research from UC Davis Health shows that cooling a burn with running water for 20 minutes within three hours of the injury speeds up healing and improves outcomes. Twenty minutes feels like a long time when you’re standing at a sink, but shorter rinses don’t pull enough heat out of the deeper layers of skin.
Use cool tap water only. Ice, ice water, and very cold water can actually make the injury worse by constricting blood vessels and causing further tissue damage. The Mayo Clinic specifically warns against cold water for this reason. While the burn is cooling, remove any rings, bracelets, or tight clothing near the area before swelling starts.
What to Apply After Cooling
Once the burn is cooled, gently pat the area dry with a clean cloth. Then apply a thin layer of plain petroleum jelly (like Vaseline or Aquaphor) or an over-the-counter antibiotic ointment. A study comparing these two options found no significant difference in wound infection rates, so either works well. The goal is keeping the burn moist, which prevents the wound from drying out, cracking, and scarring.
Reapply the ointment and change the dressing once a day. Each time, gently clean the wound with mild soap and water, pat it dry, apply a fresh layer of petroleum jelly or antibiotic ointment, and re-bandage it. This daily routine matters more than which ointment you choose.
Choosing the Right Bandage
Cover the burn with a non-stick sterile bandage or dressing. This is important: regular dry gauze sticks to a healing burn wound as a scab forms, and pulling it off causes significant pain and can reopen the wound. Non-adherent pads (sometimes labeled “non-stick” on the packaging) or fine mesh gauze layered over your ointment will protect the burn without bonding to it.
Hydrogel dressings, available at most pharmacies, are another good option. They hold moisture against the wound and feel cool on contact, which can ease discomfort. Wrap the dressing loosely with medical tape or a rolled bandage. You want it secure enough to stay in place but not tight enough to put pressure on the burned skin.
Managing the Pain
Burns hurt most in the first 24 to 48 hours. Over-the-counter pain relievers like ibuprofen (Advil, Motrin), acetaminophen (Tylenol), or naproxen (Aleve) all help. Ibuprofen and naproxen also reduce inflammation, which can bring the swelling down faster. Follow the dosing instructions on the bottle and start taking them early, before the pain peaks.
Keeping the burn elevated above heart level when possible also reduces throbbing. If the burn is on your hand or arm, prop it up on a pillow while resting.
What Not to Put on a Burn
Several popular home remedies actually make burns worse. Butter, cooking oil, coconut oil, and toothpaste all trap heat inside the skin, which deepens the injury and increases the risk of infection. The Mayo Clinic warns that these substances cause irritation on top of the thermal damage you already have.
Other things to avoid:
- Ice or ice packs constrict blood flow and can cause frostbite on already-damaged tissue.
- Egg whites carry bacteria and offer no healing benefit.
- Cotton balls or fluffy cotton shed fibers that stick in the wound.
- Adhesive bandages placed directly on the burn will tear healing skin when removed.
Signs of Infection to Watch For
Even with proper care, burns can become infected. Watch for increasing redness that spreads beyond the edges of the burn, worsening pain after the first couple of days (when it should be improving), swelling that gets worse instead of better, cloudy or foul-smelling drainage, or a fever. Any rapid change in how the burn looks or how you feel is a signal that something is off. Infection in a burn can progress quickly, so don’t wait to see if these symptoms resolve on their own.
Burns That Need Professional Care
Home treatment works well for minor burns (first-degree burns like sunburns, and small second-degree burns with blisters smaller than about 3 inches across). But certain burns need medical attention regardless of size. Burns on the face, hands, feet, genitals, or over a joint should be seen by a doctor because scarring in these areas can limit function or cause complications.
Any burn that looks white, brown, or black rather than red has damaged the full thickness of the skin and requires professional treatment. The same goes for burns caused by chemicals or electricity, burns that wrap all the way around an arm or leg, and any burn on a child under 10 or an adult over 50 where the area is larger than a few inches. If blisters are large, don’t pop them yourself. A healthcare provider can drain them cleanly and apply a proper dressing to prevent infection.