Sunburn occurs when ultraviolet (UV) radiation from the sun damages the DNA in your skin cells. When you spend time in the sun without protection, UV rays penetrate the outer layer of your skin called the epidermis. Your skin responds to this damage by increasing blood flow to the affected area, which causes the redness and heat you feel. This is actually your body's attempt to heal the damage, but the process can be uncomfortable and may take several days.
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According to the American Academy of Dermatology, about one in five Americans develops skin cancer in their lifetime, and sunburns—especially severe ones—significantly increase this risk. A sunburn doesn't just affect the surface of your skin. The damage extends to deeper layers and can affect the cells responsible for skin elasticity and appearance. Even a single blistering sunburn in childhood or adolescence more than doubles the risk of melanoma later in life.
There are different degrees of sunburn severity. First-degree burns cause redness and mild tenderness but no blistering. Second-degree burns involve blistering and more intense pain, and may be accompanied by fever or chills. The severity depends on your skin type, the intensity of the UV rays, and how long you were exposed. People with fair skin burn more easily than those with darker skin, though everyone can experience sunburn.
Understanding how sunburn develops helps explain why certain treatments work better than others. The inflammation and pain typically peak within 24 to 36 hours after sun exposure. This is why treatment in the first few hours after exposure can make a significant difference in your comfort level and healing time.
Practical Takeaway: Recognize that sunburn is a form of skin damage that triggers an inflammatory response. The first 24 hours after exposure are critical for treatment effectiveness, so acting quickly when you notice redness or heat can reduce discomfort and potentially speed recovery.
The first step in treating sunburn is cooling your skin and rehydrating your body. Cool (not cold) baths or showers are among the most effective immediate treatments. Water temperature should be around 60-70 degrees Fahrenheit. Avoid ice baths or very cold water, as extreme temperature changes can shock your system and cause additional stress to burned skin. Spend 10 to 20 minutes in cool water within the first few hours of noticing the burn. This helps draw heat away from your skin and reduces inflammation.
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Cool compresses are another option if you prefer not to take a full bath or shower. Wet clean cloths with cool water and apply them to burned areas for 10 to 15 minutes at a time. You can repeat this several times throughout the day. Some people find relief by storing soft cloths or even cotton bandages in the refrigerator and applying them as needed. This method allows you to target specific areas without having to submerge your entire body.
Hydration is equally important but often overlooked. Sunburn causes fluid to shift to the skin's surface and away from the rest of your body, which can lead to dehydration. Drinking extra water—aim for at least 8 to 10 glasses per day, more if you're in a hot climate—helps your body heal from the inside out. Water is the best choice, though beverages with electrolytes like coconut water or sports drinks can also help replace minerals your body loses through heat and sweating.
Avoid alcohol and caffeine while recovering from sunburn, as both act as diuretics and increase fluid loss. Similarly, limit time in air conditioning and heating, as these environments can further dry out your skin. Keep your living space at a comfortable temperature and use a humidifier if the air is dry.
Practical Takeaway: Start cooling your skin within the first few hours of noticing sunburn, and maintain consistent hydration by drinking plenty of water throughout your recovery. This two-pronged approach addresses both the external inflammation and internal fluid loss that occur with sunburn.
Several types of topical products can provide relief when applied directly to burned skin. Aloe vera is one of the most widely used and studied options. Pure aloe vera gel (or products with high aloe vera content) has natural anti-inflammatory properties and feels cooling when applied. Studies published in the Journal of Burn Care & Research show that aloe vera can reduce pain and speed healing when used within the first few hours after a burn. Apply aloe vera gel several times daily, especially after cool baths or showers when skin is still slightly damp, as this helps the product absorb better.
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Moisturizing lotions and creams are important for preventing further drying and peeling during recovery. Look for products containing ceramides, glycerin, or hyaluronic acid, which help your skin retain moisture. Apply these products liberally and frequently, especially after cooling treatments. Unlike aloe vera, which provides immediate cooling relief, regular moisturizers work over time to maintain skin hydration and reduce itching during the peeling phase.
Some over-the-counter products contain ingredients like hydrocortisone, a mild topical steroid that can reduce inflammation and itching. Hydrocortisone cream (typically 1%) is available without a prescription and can be applied to burned areas two to three times daily. However, this should be used cautiously and only for a few days, as prolonged use of topical steroids can have side effects. If your sunburn is severe or you have other skin conditions, consult with a pharmacist or healthcare provider before using hydrocortisone.
Products to avoid include petroleum jelly, heavy oils, and thick ointments that trap heat in the skin rather than allowing it to dissipate. Also avoid products containing benzocaine or lidocaine (topical anesthetics), as these can irritate burned skin or cause allergic reactions. Never apply products with "caine" in the name to sunburned skin without checking with a pharmacist first.
Practical Takeaway: Use aloe vera gel immediately for cooling and anti-inflammatory effects, then transition to regular moisturizing products to maintain hydration and prevent excessive peeling. Avoid heavy oils and anesthetic products that can complicate healing.
Over-the-counter pain relievers can help manage sunburn discomfort. Nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen and naproxen are particularly effective because they address both pain and inflammation. Taking ibuprofen (Advil or Motrin) at 400 to 600 milligrams every 4 to 6 hours can significantly reduce pain and swelling. Naproxen (Aleve) at 220 milligrams every 8 to 12 hours offers longer-lasting relief. These medications work best when taken early, within the first few hours of noticing the burn, before inflammation peaks.
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Acetaminophen (Tylenol) can also reduce pain but does not address inflammation, making NSAIDs the preferred choice for sunburn. Always follow package directions regarding dosage and frequency, and don't exceed the maximum daily amount. If you have a history of stomach problems, kidney disease, or take other medications, consult your pharmacist or doctor before using NSAIDs.
For severe sunburn with systemic symptoms—such as fever above 101 degrees Fahrenheit, chills, nausea, or blistering that covers a large area—seek medical attention. A healthcare provider may prescribe stronger anti-inflammatory medications or recommend other treatments. Severe sunburn can lead to heat exhaustion or heat stroke, which are medical emergencies.
Blistering sunburns require special care. Do not pop blisters, as this increases infection risk and prolongs healing. Instead, keep blistered areas clean and loosely covered with sterile gauze. If a blister breaks on its own, gently clean the area with mild soap and cool water, apply an antibiotic ointment, and cover it with a bandage. Watch for signs of infection, including increasing warmth, pus, or red streaking around the blister.
Practical Takeaway: Use NSAIDs like ibuprofen within the first few hours of sunburn to manage both pain and inflammation. For severe sunburn with systemic symptoms or extensive blistering, contact a healthcare
This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.