Between stronger UV rays, longer daylight hours, and simply spending more time outdoors, summer is prime time for sun damage. And while a little glow might feel harmless in the moment, those sunny afternoons can quietly add up over time. Fine lines, dark spots, uneven texture, loss of elasticity, and even skin cancer are all linked to cumulative sun damage. This means it’s not just one beach vacation that matters. It’s every lunch outside, every dog walk, every “I’ll only be in the sun for a few minutes” moment throughout the season.
Between long beach days, rooftop hangs, and weekend walks that accidentally become three-hour adventures, we’re outside during the summer more than any other time of year. It’s one of the best parts of the season. But it also means our skin is getting a lot more exposure than usual.
The good news? Preventing your skin from sun damage doesn’t have to stop with your morning sunscreen application. And building a sun-safe routine is easier than you might think. A few simple habits can go a long way toward keeping your skin healthy today while helping prevent fine lines, dark spots, and other signs of sun damage down the road. Read on for 10 dermatologist-backed ways to protect your skin this summer that go far beyond SPF.
What Causes Sun Damage?
Sun damage happens when ultraviolet (UV) rays penetrate the skin and gradually break down collagen, elastin, and healthy skin cells. The tricky part? It isn’t just caused by spending eight hours baking on the beach. It’s the accumulation of everyday exposure—from morning walks to get coffee to happy hour drinks outside—that adds up over time. And while sunscreen is your first line of defense, many of us aren’t applying nearly enough.
“Most adults need approximately a shot glass worth of sunscreen to cover the body and about a nickel-sized amount for the face and neck,” says Dr. Whitney Hovenic, board-certified dermatologist and co-founder of SPOOGE. Without adequate protection, those UV rays create oxidative stress within the skin. This damages DNA and accelerates the breakdown of collagen over time. That’s what contributes to everything from fine lines and dark spots to uneven texture, loss of firmness, and, more seriously, an increased risk of skin cancer.
Why is Preventing Sun Damage So Important?
Sun damage prevention is one of those habits that pays off in ways you won’t always see immediately. While it’s easy to focus on the glow you get after a sunny weekend or how good your skin looks in the moment, the real benefit comes from what you’re protecting underneath the surface. Daily sun care helps maintain a stronger, more resilient skin barrier and supports even tone over time. It also helps your skin function at its best as it cycles through natural repair processes each day.
Over the long run, that consistency adds up in a major way. People who prioritize sun protection tend to experience fewer stubborn discoloration issues, less texture irregularity, and a more sustained level of radiance that doesn’t rely on corrective fixes later on. It also helps reduce the cumulative stress that UV exposure places on the skin, which can otherwise accelerate visible aging. In other words, it’s less about any single sunny day and more about how your skin holds up across seasons, years, and everyday life outdoors.
How to Prevent Sun Damage, According to a Dermatologist
1. Watch Out For “Blind Spots”
Most of us have our sunscreen routine down to muscle memory. But it’s surprisingly easy to miss a few key areas during a rushed morning application. “Many patients forget to apply sunscreen to their hairline, their scalp (especially in the part area), on the ears, and on their toes,” says Dr. Sapna Palep, board-certified dermatologist and co-founder of Journelle Skin. Those spots are exposed every time you step outside, yet they’re often skipped simply because they’re out of sight or not part of our usual routine. The key is to make it a habit to do one final pass before leaving the house. Pay extra attention to the edges of your hairline, around your ears, the tops of your feet if you’re wearing sandals, and anywhere else that tends to get overlooked. It’s a small adjustment that takes less than a minute but can make a meaningful difference over time.
READ: Sunscreen 101: The Ultimate Summer SPF Guide
2. Wear UPF-Rated Clothing
Think of UPF clothing as sunscreen you never have to remember to reapply. Hovenic explains that “sun-protective clothing provides consistent coverage and is especially helpful for long days outdoors.” Think a full beach day, a long hike, outdoor dining or an all-day sporting event. This clothing is a reliable layer of defense that doesn’t depend on timing, reapplication, or remembering anything in the moment.
And when it comes to water-heavy days, she recommends opting for UPF swimwear as well. Sunscreen can naturally break down more quickly with swimming, sweating, and towel drying. It becomes less about overthinking your routine and more about building protection into the pieces you’re already reaching for.
3. Add Antioxidants To Your Skincare Routine
Sunscreen may be the MVP of sun protection, but it works even harder when paired with the right skincare ingredients. Hovenic recommends adding antioxidants like vitamin C, vitamin E, niacinamide, and ferulic acid into your morning routine. These help neutralize the free radicals created by UV exposure and environmental pollution. “I think about sun protection as a daily habit, not just something for beach days,” she adds. At night, incorporating a retinoid and keeping your skin barrier healthy with a nourishing moisturizer can also help support your skin’s natural repair process after a day in the sun.
4. Reapply Sunscreen Every Two Hours
Applying sunscreen once before leaving the house isn’t enough to carry you through an entire summer day. “One of the biggest mistakes I see is people applying sunscreen only once in the morning and assuming they’re protected all day,” says Hovenic. She recommends reapplying every two hours when you’re outdoors. Also reapply immediately after swimming, sweating, or towel drying—even if your sunscreen is labeled water resistant. And don’t forget to use enough product in the first place to give you plenty of protection.
5. Embrace Wide-Brimmed Hats
Accessories can do a lot more than complete your outfit—they can also help protect your skin. Dr. Cheryl Karcher, board-certified dermatologist, recommends choosing a wide-brimmed hat that covers your ears, the sides of your face, and the back of your neck. Then, pair it with sunglasses and an SPF lip balm for even more coverage. To make sunscreen a habit instead of an afterthought, Palep suggests “stacking” it onto routines you already have. Keep your sunscreen next to your toothbrush so you remember it every morning, then stash another tube in your bag and reapply whenever you reach for your lip gloss.
6. Be Aware of Reflective Surfaces
It’s easy to assume you’re protected if you’re sitting under an umbrella, but UV rays have a sneaky way of finding you. Water, sand, white concrete, and even snow can reflect sunlight back onto your skin, increasing your overall exposure throughout the day. “Extra protection is important at the beach, pool, or on boats,” says Hovenic. So even if you’re technically “in the shade,” keep reapplying your sunscreen, even when you think you may not need it.
7. Don’t Forget The Hands
Your hands spend just as much time in the sun as your face, yet they rarely get the same level of intentional care. Over time, UV exposure can contribute to dark spots, thinning skin, and premature signs of aging. This is why dermatologists consistently flag them as an area worth prioritizing.
Palep recommends applying sunscreen before getting a gel manicure, pointing out that the UV lamps used to cure polish can add to cumulative exposure over time. It’s a small step, but one that builds into a more protective routine without much effort. Keeping a travel-sized sunscreen in your purse, car, or desk makes reapplication feel almost automatic, especially on days when you’re out and about and your hands are constantly exposed without you realizing it.
8. Embrace The Shade
No one is suggesting you spend all summer indoors—but strategically seeking shade can make a big difference. “Walk on the shady side of the street,” says Karcher, adding that the safest times to be outdoors are before 10 a.m. and after 4 p.m., when UV rays are generally less intense. Hovenic also recommends “taking advantage of umbrellas, trees, covered patios, or any shaded area” whenever possible. You’ll still get to enjoy being outside—just with a little less direct sun exposure.
9. Re-Apply When At High Altitudes
If your summer plans involve a little elevation—think hiking trips, mountain towns, or that long-awaited spa weekend in Colorado—your sun protection routine needs a slight upgrade. Dr. Whitney Hovenic notes that “for every 1,000 feet you go up in altitude, UV exposure goes up by 3–5%.” Your skin is actually getting more intense sun exposure even when the temperatures feel cooler and more comfortable. That combination can be deceptive, which is why she emphasizes that “protection on the mountain is key no matter what the season,” especially in environments where you might not feel the burn until later. In other words, just because it feels breezy doesn’t mean your SPF gets a day off.
10. Try Treatments Like Aerolase
Advanced in-office treatments can also play an important role in your long-term skin health, especially if you’ve already accumulated years of sun exposure. While daily SPF remains the gold standard for prevention, technologies like the Aerolase Reverse Protocol are designed to address existing signs of sun damage by targeting both surface discoloration and deeper structural changes within the skin. The multi-step laser treatment works to stimulate collagen production while gently resurfacing the complexion, helping improve the appearance of fine lines, uneven texture, and pigmentation without the extended downtime that’s often associated with traditional lasers. It’s a great reminder that sun protection doesn’t stop with prevention. Modern dermatology offers more options than ever to help restore healthier, more even-looking skin, regardless of your skin tone or type.
Alyssa Rotunno, Contributing Writer
Alyssa Rotunno is a NYC-based writer with a focus on beauty, fashion, shopping, travel, and culture. Her work has appeared in Real Simple, InStyle, Travel+Leisure, Parade, and other national outlets, where she brings a sharp, timely lens to the products, places, and trends worth knowing. She’s endlessly curious about what people are talking about—and loves connecting the dots between trends, products, and real life.
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