Cool water, anti-inflammatory medication, and moisturizing are the three fastest ways to take the sting out of a sunburn. Sunburn pain typically peaks between 6 and 48 hours after exposure and resolves within 3 to 5 days, so the goal is to reduce inflammation, pull heat from the skin, and protect the damaged barrier while your body repairs itself.
Cool the Skin First
The simplest and most immediate relief comes from cooling the burn. A cool bath or a damp cloth applied to the affected area for about 10 minutes, repeated several times a day, draws heat out of the skin and temporarily dulls the stinging sensation. You want cool water, not cold or icy. Extremely cold temperatures can shock inflamed skin and cause shivering, which works against what your body is trying to do.
Pat your skin dry gently afterward rather than rubbing. While your skin is still slightly damp, apply a moisturizer to lock in that surface moisture. Sunburns disrupt your skin’s barrier function, allowing fluid to evaporate much faster than normal. Sealing in moisture right after cooling helps counteract that loss.
Take an Anti-Inflammatory Pain Reliever
Sunburn pain isn’t just surface-level heat. It’s driven by a cascade of inflammatory chemicals your body releases in response to UV damage, including prostaglandins, histamine, and inflammatory proteins like TNF-alpha. Over-the-counter anti-inflammatory pain relievers like ibuprofen or naproxen work by blocking prostaglandin production, which reduces both the pain and the redness. Taking one early, ideally within the first few hours of noticing the burn, can blunt the inflammatory response before it fully ramps up.
Acetaminophen can help with pain but doesn’t target inflammation, so it’s less effective for the throbbing, hot sensation that makes sunburn so uncomfortable.
What to Put on Your Skin
Aloe vera gel is the classic sunburn remedy, and the science backs it up. The plant contains several active compounds that work on burned skin in different ways. One compound reduces DNA damage and lowers the production of inflammatory signaling molecules. Others promote cell migration, which is how your skin closes wounds and regenerates. Studies on human skin cells show that aloe vera gel increases cell viability, boosts proliferation of the outer skin layer cells, and helps maintain membrane integrity after UV damage. Look for pure aloe vera gel without added fragrances or alcohol, both of which can sting on a fresh burn.
Colloidal oatmeal, available in bath soaks and lotions, is another effective option. It works by calming cytokines, the inflammatory proteins that cause itching and redness. The natural starches and complex sugars in oatmeal also help your skin retain moisture and support its protective barrier. If your sunburn has moved into the itchy, peeling phase, colloidal oatmeal is particularly useful.
Fragrance-free moisturizers containing ceramides or hyaluronic acid also help by reinforcing the skin barrier. Apply them liberally and repeatedly. Your damaged skin is losing moisture constantly, so a single application won’t cut it.
What to Avoid
Petroleum jelly, butter, coconut oil, and other oil-based products are a common mistake. They block pores so that heat and sweat cannot escape, which traps warmth in already-overheated skin and can lead to infection. Stick to water-based gels and lightweight lotions instead.
Topical numbing sprays containing benzocaine might seem appealing, but they can irritate damaged skin and occasionally cause allergic reactions. If you want topical relief beyond aloe, a light hydrocortisone cream (1%) can reduce inflammation and itching on mildly burned skin, though it should not be applied to areas with open blisters, broken skin, or severe burns.
Avoid scrubbing, exfoliating, or peeling flaking skin. That dead layer is protecting the new, vulnerable skin forming underneath.
Hydrate From the Inside
Your skin’s compromised barrier means you’re losing fluid from the surface faster than usual, and sunburn also draws extra blood flow to the skin, which can leave you mildly dehydrated without obvious symptoms like thirst. Drinking extra water in the days following a burn supports the repair process and helps regulate your body temperature. If you feel lightheaded or notice dark urine, you’re already behind on fluids.
The Pain Timeline
Knowing what to expect helps you plan your relief strategy. Sunburn redness and pain are typically at their worst 24 to 36 hours after sun exposure. That means if you got burned at the beach on Saturday afternoon, Sunday evening will likely be the most uncomfortable period. The acute stinging and tenderness generally resolve within 3 to 5 days, though peeling can continue for a week or more after that.
During that peak window, staying ahead of the pain with scheduled doses of ibuprofen, frequent cool compresses, and generous moisturizing makes a real difference compared to treating symptoms only when they become unbearable.
Signs That Need Medical Attention
Most sunburns are painful but manageable at home. However, some burns cross into territory that requires professional care. Large blisters, blisters on the face, hands, or genitals, severe swelling, or signs of infection like pus or red streaks all warrant a visit to your doctor. The same goes for worsening pain, headache, confusion, nausea, fever, or chills. A fever above 103°F (39.4°C) with vomiting, confusion, or signs of dehydration is a medical emergency.