The fastest way to take the sting out of a sunburn is to cool the skin, reduce inflammation, and keep it moisturized. Most sunburn pain peaks somewhere between 12 and 24 hours after exposure, then gradually fades over the next two to three days. The good news is that several straightforward remedies can make that window much more bearable.
Why Sunburn Hurts So Much
Understanding the pain helps you target it. When UV rays damage your skin cells, those cells release inflammatory signals, including the same immune chemicals (like IL-6 and IL-1β) your body uses to fight infection. These chemicals sensitize the nerve endings in your skin, which is why even a light touch or a warm shower can feel excruciating. Your skin also ramps up production of a signaling molecule called endothelin-1, which amplifies pain signals between skin cells and sensory nerves. Essentially, your entire outer layer of skin becomes a pain-broadcasting system for a couple of days.
This cascade is why sunburn pain isn’t just “heat.” It’s active inflammation, and the most effective remedies work by interrupting that inflammatory process rather than simply masking the sensation.
Take an Anti-Inflammatory Early
Over-the-counter anti-inflammatory pain relievers like ibuprofen or naproxen are one of the most effective tools for sunburn pain because they block the production of prostaglandins, the compounds driving the inflammation. The key is timing: starting early, ideally as soon as you notice redness developing, gives these medications the best chance to blunt the inflammatory wave before it peaks. Follow the dosage instructions on the package and continue for the first day or two while pain is most intense.
Acetaminophen can help with pain but doesn’t reduce inflammation, so it’s a backup option rather than a first choice.
Cool the Skin Down
A cool bath or shower is one of the quickest ways to get relief. Use lukewarm-to-cool water, not ice cold. Water that’s too cold can cause shivering, which actually increases blood flow to the skin and can make inflammation worse. Stay in for 10 to 15 minutes, then gently pat (don’t rub) your skin dry with a soft towel.
If a full bath isn’t practical, cool compresses work well on targeted areas. Soak a clean cloth in cool water and lay it over the burned skin for 10 to 15 minutes at a time. You can repeat this several times a day.
Adding colloidal oatmeal to a bath can provide extra soothing. Oatmeal contains compounds that form a protective film on the skin and reduce itching as the burn starts to heal.
Moisturize While Skin Is Still Damp
After cooling off, apply a moisturizer while your skin is still slightly damp. This locks in moisture at a time when your damaged skin barrier is losing water rapidly. Aloe vera gel is a classic choice for a reason: it contains compounds like aloin and glucomannan that actively reduce pro-inflammatory signals in the skin, not just cool it. The cooling sensation is immediate, but the anti-inflammatory effect builds over repeated applications.
Look for pure aloe vera gel or a fragrance-free moisturizer with aloe as a primary ingredient. Moisturizers with soy or oat extracts are also good options. Reapply generously throughout the day, especially after bathing.
What Not to Put on a Sunburn
Some common “remedies” will make things worse. Petroleum jelly, butter, and oil-based products block your pores and trap heat in the skin, which can slow healing and increase the risk of infection. Products containing benzocaine or lidocaine (topical numbing agents found in some after-sun sprays) can trigger allergic reactions that layer additional irritation on top of the burn. Alcohol-based lotions or astringents dry out already-damaged skin and intensify the stinging.
If you see any of these ingredients on the label, skip that product.
Stay Hydrated From the Inside
Sunburned skin pulls fluid toward the surface as part of the inflammatory response, which can leave you mildly dehydrated without realizing it. Dehydration makes pain feel worse and slows healing. Drink extra water throughout the day, and if the burn covers a large area, consider a drink with electrolytes. Signs you’re falling behind on fluids include dizziness, dry mouth, fatigue, and dark urine.
Sleeping With a Sunburn
Nighttime is often the hardest part because you can’t distract yourself from the pain. A few adjustments help. Wear loose, lightweight clothing in cotton or silk, which minimizes friction against raw skin. If your back is burned, sleep on your stomach or side. If your chest and shoulders are burned, try sleeping on your back with a soft sheet rather than a heavy blanket.
Apply a thick layer of aloe vera or fragrance-free moisturizer right before bed. Taking an anti-inflammatory about 30 minutes before you lie down can help you get through the worst hours. Keeping your bedroom cool also matters, since heat amplifies the burning sensation.
What to Expect as It Heals
A typical first-degree sunburn (red, painful, no blisters) follows a predictable arc. Pain is worst during the first 24 to 48 hours, then gradually eases. Around days three to five, the skin often starts peeling as damaged cells shed. Resist the urge to peel it yourself. Pulling off skin that isn’t ready to come off exposes raw layers underneath and can lead to scarring or infection. Let it flake naturally and keep moisturizing.
If blisters form, leave them intact. They’re your body’s natural bandage, protecting the new skin forming beneath. Small blisters typically heal on their own within a week.
Signs a Sunburn Needs Medical Attention
Most sunburns are miserable but manageable at home. However, you should seek medical care if blisters cover more than 20% of your body (roughly a whole leg, your entire back, or both arms), if you develop a fever above 102°F, or if you notice signs of infection like pus oozing from blisters. Chills, extreme pain that doesn’t respond to over-the-counter medication, and symptoms of dehydration that persist despite drinking fluids all warrant a call to your doctor. Any sunburn on a baby under one year old should be evaluated by a healthcare provider immediately.