A sunburn can’t be reversed once the damage is done, but you can significantly reduce the pain, speed up healing, and protect your skin from further harm. Most mild sunburns resolve within three to seven days. More severe burns with blistering can take two weeks or longer. What you do in the first few hours matters most.
How Your Skin Heals After a Sunburn
Your body moves through four distinct stages after UV damage. First comes inflammation: blood flow increases to the area, causing that familiar redness, heat, and swelling. Next, your immune cells get to work clearing out damaged cells and triggering regeneration. Then the skin begins to peel as dead cells are shed from the surface. Finally, new skin cells move up to replace what was lost.
You can’t skip these stages, but you can support each one. The goal is to calm inflammation early, keep the skin hydrated throughout, and avoid anything that interferes with the repair process.
Act Fast in the First Few Hours
The single most impactful thing you can do is take an over-the-counter anti-inflammatory pain reliever like ibuprofen as soon as you notice the burn developing. These medications block the chemical signals (prostaglandins) that drive inflammation and pain. They work best when taken early in the process. They won’t shorten how long the sunburn lasts, but they meaningfully reduce swelling and discomfort during the worst of it.
At the same time, get out of the sun immediately and start cooling the skin. A cool (not cold) shower or bath brings relief. You can also drape a damp towel over the burned area for 10 to 15 minutes at a time. Ice directly on the skin is too harsh and can cause additional damage, so avoid ice packs unless they’re well wrapped.
Drink extra water. Sunburns draw fluid to the skin’s surface and away from the rest of your body, which can leave you mildly dehydrated. You likely won’t feel thirsty enough to compensate on your own, so make a conscious effort to drink more than usual for the next day or two.
Best Topical Treatments for Sunburn
Once you’ve cooled the skin, apply a moisturizer, aloe vera gel, or calamine lotion. Aloe vera is especially effective because it soothes heat and helps the skin retain moisture. A useful trick: store the bottle in the refrigerator before applying. The cooling sensation provides immediate relief on top of the moisturizing benefit.
Reapply moisturizer frequently over the following days. Burned skin loses water rapidly, and keeping it hydrated reduces tightness, itching, and cracking. Look for fragrance-free lotions or gels. Avoid any product that contains alcohol, which dries the skin out further and can sting on contact.
Two categories of products to steer clear of completely:
- Topical anesthetics containing benzocaine or lidocaine. These numbing agents can trigger allergic reactions and actually make the burn worse in some people.
- Petroleum jelly, butter, or oil-based products. These seal the skin’s surface, trapping heat and sweat underneath. That blocked moisture creates an environment where infection can develop.
How to Handle Peeling Skin
Peeling typically begins a few days after the initial burn, and it’s tempting to pull or scrub the flaking skin off. Don’t. Peeling is your body’s natural way of shedding its damaged outer layer, and forcing it off prematurely can expose raw, sensitive skin underneath. This slows healing and raises the risk of scarring or infection.
Treat peeling skin gently. Keep using moisturizer consistently, even on areas that are actively flaking. Let the dead skin come off on its own. Wear soft, loose-fitting clothing over the burned area to minimize friction. If itching becomes intense, a cool compress or calamine lotion typically helps more than scratching, which can tear fragile new skin.
Does Anything Actually Speed Up Recovery?
There’s some evidence that antioxidants can support your skin’s repair process, though the research is stronger for prevention than for treating an existing burn. A study using a combination of oral vitamin C (2 grams daily) and vitamin E (1,000 IU daily) found that after eight days, participants had a measurably higher threshold for sunburn compared to placebo. Topical formulations combining vitamins C and E have also shown protection against UV cell damage in lab studies, providing up to four times the skin’s baseline defense.
These findings suggest that antioxidants help the skin cope with UV stress, but taking a handful of vitamins after you’re already burned isn’t a magic fix. The practical takeaway: eating a diet rich in fruits and vegetables (or taking a standard multivitamin) supports your skin’s general ability to repair itself. Don’t expect dramatic results from supplements started after the fact.
Sleep also matters more than people realize. Your body does the bulk of its cellular repair work overnight, so getting adequate rest in the days after a sunburn gives your immune system the time it needs to clear damaged cells and regenerate new ones.
Signs a Sunburn Needs Medical Attention
Most sunburns, however painful, heal on their own. But severe burns can cross into a condition sometimes called sun poisoning, which requires medical care. Seek help if you develop blisters along with any of the following: bright red or oozing skin, severe pain that isn’t controlled by over-the-counter medication, fever, chills or shivering, headache, or nausea and vomiting. These symptoms signal that the burn has triggered a systemic inflammatory response your body may need help managing.
Burns that cover a large area of your body, especially in children or older adults, also warrant a call to a healthcare provider even without blistering. Widespread burns increase the risk of dehydration and infection significantly.
Protecting Your Skin While It Heals
Newly healed skin is more vulnerable to UV damage than normal skin. For several weeks after a sunburn resolves, the fresh cells that replaced the damaged ones have less natural protection. Cover healing areas with clothing when you’re outdoors, and apply broad-spectrum sunscreen (SPF 30 or higher) to any exposed skin. Getting burned again on top of a recent burn dramatically increases the risk of long-term skin damage, including changes in pigmentation and elevated skin cancer risk over time.
Loose, breathable fabrics are your best friend during recovery. Tight clothing traps heat against the skin, increases irritation, and can pull off peeling skin prematurely. Cotton and moisture-wicking materials are generally the most comfortable choices until the burn has fully resolved.