Most skin burns can be treated at home with cool water, a simple dressing, and basic pain relief. The key is acting quickly: run cool (not cold) water over the burn for about 10 minutes, then protect the area while it heals. A minor burn from a stove, curling iron, or hot liquid will typically heal on its own within one to three weeks depending on depth. Deeper or larger burns need professional medical care.
Know What You’re Dealing With
How you treat a burn depends on how deep it goes. A first-degree burn affects only the outer layer of skin. It looks red and feels painful, similar to a sunburn. These heal fastest, usually within a week.
A second-degree burn goes deeper, damaging the layer beneath the surface. You’ll see blistering, intense redness, and swelling. The pain is often worse than a first-degree burn because nerve endings in that deeper layer are exposed. Second-degree burns take one to three weeks to heal on average, according to Cleveland Clinic data.
A third-degree burn destroys the full thickness of the skin. The burned area may look white, brown, or charred, and it can feel numb because nerve endings have been destroyed. Third-degree burns always require emergency medical treatment.
Cool the Burn Immediately
Within the first few minutes, hold the burned area under cool running water for about 10 minutes. This is the single most important thing you can do. Cool water pulls heat out of the tissue and limits how deep the damage spreads. Use a gentle stream from the tap, not a high-pressure spray.
Don’t use ice or ice-cold water. Extreme cold can cause additional tissue damage on top of the burn itself. After cooling, gently pat the area dry with a clean cloth.
Skip the Home Remedies
Butter, toothpaste, egg whites, milk, and flour are all common folk remedies for burns. None of them help, and most make things worse. Toothpaste is particularly problematic because its ingredients actively irritate burned skin. The mint creates a stronger burning sensation on open wounds. Other ingredients in toothpaste can encourage bacterial growth, essentially turning your wound into a breeding ground for infection.
Stick with what works: cool water, petroleum jelly, and a clean bandage.
Cover and Protect the Wound
Once the burn is cooled and dry, apply a thin layer of petroleum jelly. This keeps the wound moist, which speeds healing and prevents the thick scabbing that leads to worse scarring. Then cover the area with a non-stick sterile gauze pad and secure it with rolled gauze or medical tape. Non-stick dressings are important because standard adhesive bandages can stick to the raw skin and tear new tissue when you change them.
Change the dressing once a day or whenever it gets wet or dirty. Each time, gently clean the area, reapply petroleum jelly, and put on a fresh bandage. For larger burns, hydrogel or silicone gel sheets can be used in place of petroleum jelly and gauze.
Managing Pain
Burns hurt most in the first 24 to 48 hours. Over-the-counter anti-inflammatory pain relievers like ibuprofen help reduce both pain and swelling. Acetaminophen is another option if you can’t take ibuprofen. Cool compresses (a clean, damp cloth) can also provide relief between doses.
Resist the urge to pop blisters. They’re your body’s natural bandage, protecting the raw skin underneath from infection. If a blister breaks on its own, clean the area gently, apply petroleum jelly, and cover it with a fresh non-stick bandage.
Watch for Infection
Burned skin is especially vulnerable to bacteria because the protective barrier is compromised. Over the days following your burn, keep an eye out for these warning signs: oozing or discharge from the wound, red streaks spreading outward from the burn, increasing pain rather than gradually improving pain, and fever. Any of these suggest the wound has become infected and needs medical attention.
Minimize Scarring as You Heal
The petroleum jelly and bandage routine does double duty here. Keeping the wound consistently moist prevents the deep, raised scars that form when burns dry out and scab over. Once the burn has fully closed and new skin has formed, switch your focus to sun protection. New skin is extremely sensitive to UV light, and sun exposure can cause permanent dark or red discoloration in the scarred area.
Apply a broad-spectrum sunscreen with at least SPF 30 to the healed burn every time you go outside, and reapply frequently. The American Academy of Dermatology notes that consistent sun protection helps scars fade faster. For more significant burns, silicone gel sheets worn over the healed area can further flatten and soften developing scars.
Check Your Tetanus Status
Burns are classified as “dirty wounds” by the CDC, which means they carry an increased risk of tetanus. If your last tetanus shot was five or more years ago, you likely need a booster. If you’ve never been vaccinated, have an incomplete vaccine series, or simply don’t remember your history, a tetanus shot is recommended after any significant burn.
Burns That Need Emergency Care
Not every burn belongs in the “treat it at home” category. Get to an emergency room for any third-degree burn, any burn larger than about three inches across, or any burn on the face, hands, feet, genitals, or over a major joint like the knee or elbow. These locations are high-risk because scarring there can limit movement or cause lasting functional problems.
Burns in children under 10 and adults over 50 have a lower threshold for requiring specialized care. Electrical burns and chemical burns also need professional evaluation regardless of how they look on the surface, because the damage often extends deeper than what’s visible. If you’re unsure whether your burn qualifies, err on the side of getting it checked.