Sunburn 101: What Actually Helps, and When to Call a Doctor

July 15, 2026 Kerrieanne Lischka

Sunburn is one of those things almost everyone has dealt with — a day at the lake runs a little long, the SPF wears off, and by evening your skin is hot, tight, and glowing for all the wrong reasons. As formulators, we spend a lot of time thinking about what happens to skin after it's been overexposed to UV light, so we put together this guide on what genuinely helps, what to skip, and when it's time to stop DIY-ing and see a professional.

A quick note before we start: we're a skincare formulation team, not medical professionals, and this post isn't medical advice. If you're ever unsure how serious a burn is, please contact a doctor or dermatologist — we'll flag exactly when that matters below.

What's actually happening to your skin

Sunburn is your skin's inflammatory response to UV damage at the cellular level. UVB rays penetrate the outer layers and cause the redness and pain most people associate with sunburn, while UVA rays reach deeper and contribute to longer-term damage. That inflammation is your immune system increasing blood flow to the area — which is why sunburned skin looks red or feels warm to the touch, even on melanin-rich skin where the redness itself may be harder to see.

At-home care that dermatologists actually recommend

Once you notice a sunburn, the first step is simple: get out of the sun and, ideally, indoors. From there, these are the steps backed by dermatology sources:

Cool (not cold) baths or showers. This helps bring down the heat and ease pain. Skip ice or ice packs directly on the skin — they can cause frostbite on top of already-irritated skin. A cool bath with a couple of ounces of baking soda mixed in can help too.
Pat dry, don't rub. After a bath or shower, gently pat your skin dry rather than toweling off aggressively.
Moisturize while skin is still damp. Look for a moisturizer with aloe vera or soy — both are called out specifically by the American Academy of Dermatology as ingredients that help soothe sunburned skin. Avoid heavy, occlusive creams or oil-based ointments right after a burn, since they can trap heat against the skin.
Over-the-counter pain relief. Ibuprofen or acetaminophen, taken as directed on the label, can help with pain and swelling.
Hydrate. A sunburn draws fluid to the surface of your skin, which can leave you mildly dehydrated — drink more water than usual for a day or two.
Leave blisters alone. If blisters form, let them heal on their own. Popping or picking at peeling skin increases the risk of infection.
Cover up while you heal. Loosely woven, breathable fabric can protect healing skin from further UV exposure without irritating it.
Watch for "hell's itch." As skin starts to peel, nerve endings underneath can become more sensitive and itchy. This is a normal part of healing — keep the area moisturized and try not to scratch.

What to skip: home remedies involving apple cider vinegar or witch hazel, "-caine" numbing products like benzocaine (they can irritate skin or trigger allergic reactions), and continued sun exposure while you're healing.

The topicals worth reaching for

Not all "soothing" ingredients are equal when it comes to sunburn. A few have real dermatology backing, and a few others are common in the after-sun category for good reason even if they're not as universally cited:

Well-supported by dermatology sources:

Aloe vera — the ingredient the AAD calls out most consistently. It's anti-inflammatory and cooling, and works best applied while skin is still slightly damp from a bath or shower.
Soy — named by the AAD alongside aloe vera as a go-to soothing ingredient for sunburned skin.
Colloidal oatmeal — best used as a bath soak rather than a leave-on gel. Especially helpful once skin starts to peel and itch.
Calamine lotion — useful for localized itch relief, though it can be drying if applied over a large burned area.
Hydrocortisone 1% (OTC) — for an especially uncomfortable or inflamed patch, used per label directions. This is a medicated treatment rather than a general skincare ingredient, so it's worth using it thoughtfully rather than all over.

Commonly used in after-sun formulas:

Panthenol (provitamin B5) — a staple in soothing and barrier-support formulas; supports hydration and comfort even though it isn't part of the AAD's specific ingredient list.
Niacinamide — helpful for calming inflammation, though generally better suited once the most acute redness has settled rather than on day one.

What to avoid in a topical, no matter how it's marketed: fragrance, alcohol, and "-caine" numbing actives (like benzocaine) — all of these show up repeatedly as things that can further irritate already-compromised skin. Texture matters too: a light gel is generally a better choice than a heavy cream or ointment for the first day or two, since heavier, more occlusive formulas can trap heat against the skin.

This is actually a formula we've been exploring on our end — a fragrance-free aloe vera gel, potentially with soy and panthenol, built specifically for this kind of use. If that's something you'd want us to prioritize, we'd love to hear it.

When to contact a medical professional

Most sunburns are mild and resolve within about a week with home care. But according to the Mayo Clinic, certain symptoms mean it's time to get medical attention rather than wait it out:

A fever over 103°F (39.4°C), especially with vomiting
Signs of infection — swelling, pus, or red streaks spreading from a blister
Signs of dehydration, or cold skin, dizziness, or faintness
Large blisters, or any blisters on the face, hands, or genitals
Worsening pain, confusion, headache, nausea, chills, eye pain, or vision changes
Symptoms that get worse despite at-home care, or don't improve within about an hour of starting first-aid steps
Blistering that covers a large portion of the body

If you're dealing with any of the above — or you're just not sure how serious a burn is, especially in a child, infant, or someone with an underlying health condition — please contact a doctor, dermatologist, or urgent care rather than waiting to see how it develops. Severe sunburns can sometimes be second-degree burns, and in rare cases sun exposure can even cause deeper burns that need professional wound care.

It's also worth knowing that a history of blistering sunburns — even ones that healed fine on their own — has been linked to a meaningfully higher risk of skin cancer later in life. If you've had multiple severe sunburns over the years, an annual skin check with a dermatologist is a reasonable thing to bring up at your next physical.

The best sunburn treatment is not needing one

We'd be doing you a disservice if we didn't say the obvious: prevention beats treatment every time. Daily broad-spectrum SPF, seeking shade during peak UV hours (typically 10am–4pm), and reapplying sunscreen every two hours (more often if you're swimming or sweating) go a long way toward making this whole post unnecessary.

We've written more on how to build sun protection into your routine — check out our article on Natural Awakenings on skincare protection.

Sources

This article is provided for general informational purposes by the Ollie Skincare team and is not written by a licensed medical professional. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition.