Does Sunscreen Prevent Tanning? A Dermatologist Weighs In
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With summer around the corner and sunny days ahead, it’s more important than ever to break out the sunscreen. A question on sun-cautious beachgoers’ minds: Does sunscreen prevent tanning? The short answer is no (which is why it’s all the more important to make sure you’re wearing your SPF every day and reapplying throughout the day), but we’ll get more into the details with the help of Mona Gohara MD, board-certified dermatologist and associate clinical professor of dermatology at the Yale School of Medicine.
There are tons of other sunscreen myths out there too, like needing to get a ‘base tan’ or needing to burn to get a tan (for the record, neither of these are true and both cause further skin damage). “Tanning is your skin’s defense mechanism—a way of shielding itself from UV-induced damage,” says Dr. Gohara.
12 Best Sunscreens for Every Person & Skin Concern, Tested & Reviewed
EltaMD UV Clear Face Sunscreen
$44.00, Amazon
Isdin Photo Eryfotona Actinica Ultralight Emulsion Mineral Sunscreen
$73.00, Amazon
La Roche-Posay Anthelios Melt-In Milk Sunscreen
$38.00, Amazon
CeraVe Hydrating Mineral Sunscreen
$16.00, Amazon
Hero Cosmetics Force Shield Superlight Sunscreen (SPF 30)
$20.00, Amazon
Neutrogena Sheer Zinc Oxide Dry-Touch Face Sunscreen
$20.00, Walmart
Colorescience Sunforgettable Total Protection Face Shield Flex
$54.00, Amazon
Aquaphor Lip Protectant + Sunscreen Lip Balm
$5.00, Amazon
Black Girl Sunscreen Moisturizing Sunscreen for Face and Body
$16.00, Ulta
Vertra Invisible Face Stick
$24.00, Amazon
ThinkBaby Zinc Oxide Sunscreen
$17.00, Amazon
Vacation Classic Whip Sunscreen Mousse
$22.00, Ulta
{: target="_blank"}, a board-certified dermatologist in New York City. Chemical sunscreens also often include antioxidants that disarm free radicals—which cause UV-ray-based harm—and cut down damage to your skin cells. Their active ingredients can include filters like avobenzone, oxybenzone, and homosalate.
Aside from the “sunscreen” and “sunblock” label, you can tell what type of protection you’re getting by taking a peek at the ingredients label. If you see the sunscreen ingredients titanium dioxide and zinc oxide, you’re dealing with a physical sunblock. Derms say mineral blocks tend to be less irritating for sensitive skin. They also work immediately, and don’t require any downtime before you can go in the sun (chemical sunscreens, meanwhile, take about 20 or 30 minutes to start working properly). Physical blockers also tend to be thicker and more difficult to rub in. Chemical formulas have a history of being more user-friendly since they’re the easiest formula to apply and leave less of a white cast.](https://s.yimg.com/ny/api/res/1.2/x4pseW.7ONPx2m32O0pkuQ--/YXBwaWQ9aGlnaGxhbmRlcjt3PTk2MDtoPTI7Y2Y9d2VicA--/https://media.zenfs.com/en/glamour_497/c584d77f3db54679d4e259f57b0ed3d4)
**What’s the difference between chemical and physical sunscreen?**
{: target="_blank"} (AAD). However, just as formula is not one-size-fits-all, you should also consider your concerns when selecting your SPF level. “SPF 15 blocks 93% of UVB, whereas SPF 30 blocks 97%, and SPF 50 blocks 98%,” she says. “Although this increase may seem like a negligible gain in protection, if you are prone to sunburns or skin cancers, that little gain can make a world of a difference.”
It’s also important to consider how much you’re applying. According to the [AAD](https://www.aad.org/public/everyday-care/sun-protection/sunscreen-patients/sunscreen-faqs#:~:text=Apply%20enough%20sunscreen%20to%20cover,the%20top%20of%20your%20head.){: target="_blank"}, most people apply only 25% to 50% of the recommend amount of sunscreen. The general rule is to use at least two fingers’ length on your face, and enough to fill a shot glass for your entire body.](https://s.yimg.com/ny/api/res/1.2/iBH.Fpt5Au_klxoFW5g8yQ--/YXBwaWQ9aGlnaGxhbmRlcjt3PTk2MDtoPTI7Y2Y9d2VicA--/https://media.zenfs.com/en/glamour_497/61c6855ae8f3609133a6845439bbc31a)
**What level of SPF do dermatologists recommend?**
{: target="_blank"}, a board-certified dermatologist in Miami. “Remember that the AAD recommends a three-pronged approach to sun protection that includes wearing [sun-protective clothing](https://www.glamour.com/gallery/best-upf-clothing){: target="_blank"}, as well as trying to avoid sun exposure during the peak hours of 10 a.m. to 3 p.m. daily.”
While [waterproof sunscreen](https://www.glamour.com/gallery/best-waterproof-sunscreens){: target="_blank"} options are great for swimming or sports, it’s worth noting that the FDA mandates these formulas can be labeled as water- and sweat-resistant for only up to 80 minutes. Because of this, Dr. Idriss recommends reapplying your water-resistant sunscreens immediately after getting out of the water.](https://s.yimg.com/ny/api/res/1.2/GELzBXSmkW2yvgPRGgTpRw--/YXBwaWQ9aGlnaGxhbmRlcjt3PTk2MDtoPTI7Y2Y9d2VicA--/https://media.zenfs.com/en/glamour_497/8c77b3e2640dc96a2b4598c37553a89b)
**How long does sunscreen last?**
{: rel="sponsored" target="_blank" isAffiliateLink="true"}, [La Roche Posay Anthelios Melt-In Milk Body and Face Sunscreen](https://cna.st/affiliate-link/2rQwPprcmtWkDNJBXWKqB4JPepZaTTVFVEav4BvNsvRKy7cTfnrGoGymXGLB2ACvWhpa4Kr6a3SYsChppUKwcWcEm8f3p2rcpPNfZGzQK44tNatn9R1W5uStK4jFoiS35E57EkwE2MrcF1yftnhkSFLdTLRtoDSycX7RBV2hYKdmhUNvsfg3VasBmM1UP97uJ){: rel="sponsored" target="_blank" isAffiliateLink="true"}, or [CeraVe Hydrating Mineral Sunscreen](https://cna.st/affiliate-link/CeRptrQEFLdUnko6Ch8grWWQi4qdmhM6YhBAT8DnA18v7A6385SwD6SoHViJqygyQ2L95LS5GvPs8mNHMYUrwrV2CaMsQsd4Tx3aqJMj5yxZ1dumZk2zWpcgW7uLoSxzuUDYC8xQoijcXrUtNGpViXT3HDVh2SfSXaE2sdxRej3hEZ5qinfjBpSMm24BG6D6TsBvpmQWc449wxz36HqL9zvs9cdy1cy93N4T5Qdk1wP9apmGHLa1bsDQLfjAsfajrUfUzeeh41ivShwnDLCjc2zwzQtAVq2J3tX7mhpX8tqGLQeALQEQnnMesUAoauLR4NFGsj3oyxQfpfHLn2kp6aMZoTDm23KpLJLsxVM6H79zb5kPeZCAev5pZP2Kev4Yy18DSiJjowzmjHXpJFoahp2tbYdQqq3xybPhdrrjKzqr7UbrFyzz4){: rel="sponsored" target="_blank" isAffiliateLink="true"}. Generally, you’ll want to look for a formula without potential irritants like fragrance.](https://s.yimg.com/ny/api/res/1.2/KbPiVzZvCsjI1L4uG4sTKw--/YXBwaWQ9aGlnaGxhbmRlcjt3PTk2MDtoPTI7Y2Y9d2VicA--/https://media.zenfs.com/en/glamour_497/1082672cf161de1d0a093a46b0418159)
**Should I wear sunscreen if I have sensitive skin?**
{: target="_blank"} is a board-certified dermatologist at Schweiger Dermatology Group in New York City.
- [Geeta Yadav, MD](https://ca.linkedin.com/in/gyadav2#:~:text=She%20is%20board%2Dcertified%20dermatologist,%2C%20psoriasis%2C%20and%20skin%20cancer.){: target="_blank"} is a board-certified dermatologist and founder of [Facet Dermatology](http://www.facetdermatology.com/){: target="_blank"} in Toronto.
- [Jeremy Brauer, MD](https://spectrumskinlaser.com/about/dr-jeremy-brauer/){: target="_blank"} is a board-certified dermatologist in New York City.
- [Melanie Palm, MD](https://artofskinmd.com/about/dr-palm/){: target="_blank"} is a board-certified dermatologist and cosmetic surgeon at [Art of Skin MD](http://www.artofskinmd.com/){: target="_blank"} in the San Diego area.
- [Deborah Longwill, DO](https://miamicenterfordermatology.com/dr-deborah-longwill/){: target="_blank"} is a board-certified dermatologist and founder of the Miami Center for Dermatology.
- [Zaineb H. Makhzoumi, MD](https://www.umms.org/find-a-doctor/profiles/dr-zaineb-h-makhzoumi-md-1407014913){: target="_blank"} is a director of clinical services and head of dermatologic surgery and oncology at University of Maryland Medical Center.
- [Marisa Garshick, MD](https://www.mdcsnyc.com/provider/marisa-k-garshick-md){: target="_blank"} is a board-certified dermatologist at [MDCS Dermatology](https://www.mdcsnyc.com/){: target="_blank"} in New York City.
- [Shereene Idriss, MD](https://www.unionderm.com/about/dr-shereene-idriss/){: target="_blank"} is a board-certified dermatologist in New York City.
- [Loretta Ciraldo, MD, FAAD](https://drloretta.com/pages/dr-loretta-team){: target="_blank"} is a board-certified dermatologist in Miami.
- [Debra Ibrahim, DO](https://aestheticamedspanj.com/){: target="_blank"} is the co-owner of [Aesthetica Medspa](https://www.instagram.com/aestheticanj/){: target="_blank"} in New Jersey.
- [Deeptej Singh, MD](https://sandiaderm.com/faq/){: target="_blank"} is a board-certified dermatologist and founder of Sandia Dermatology in Albuquerque.](https://s.yimg.com/ny/api/res/1.2/TYIwGDWbUJWm24yzdTqnxw--/YXBwaWQ9aGlnaGxhbmRlcjt3PTk2MDtoPTI7Y2Y9d2VicA--/https://media.zenfs.com/en/glamour_497/ad6ae5561c27327dc84bafef94c3529f)
**Meet our experts**
Before we get into why sunscreen won’t fully prevent tanning, it can help to understand what sunscreen actually does. Sunscreen works by either absorbing or deflecting the sun’s UV rays to help prevent sunburn and skin cancer—chemical SPFs (which often contain active ingredients like avobenzone, homosalate, and octisalate) absorb the rays, whereas mineral SPFs (zinc oxide or titanium dioxide) reflect the rays. While they help prevent tanning and sunburn, they do not guarantee full protection (we all have likely figured this out by getting burnt one time too many). So why does a tan still happen even when we’re meticulously applying and reapplying SPF? Ahead, we break it all down, plus how to actually prevent a tan and some of our favorite sunscreens to shop.
Can you still get tan while wearing sunscreen?
Yes, you can still tan. “Think of sunscreen like a really good colander—it filters UV rays but doesn’t block them completely,” says Dr. Gohara. “Even high-SPF formulas allow a small percentage of ultraviolet light to pass through, which can stimulate melanin production and lead to tanning over time.”
Also, remember that there’s a pretty high possibility of user error. “You need to apply about a shot glass (or golf ball–sized amount) for the body every two hours to get that full, labeled protection,” says Dr. Gohara, and let’s be honest: That’s not usually happening. In those cases, “a tan is not only possible, it’s probable. Inconsistent application, missed spots, or skipping reapplication cracks the door wide open for UV exposure,” she warns.
If you love the bronzed look of a tan but want to protect yourself from premature aging or increased risk of skin cancers like melanoma, there are still plenty of great ways to look sun-kissed all year long without exposing yourself to the sun’s rays or tanning beds. Sunless options like bronzing face drops, self-tanners, spray tans, and even face bronzer makeup will give you that glow safely and without any sun exposure.
Can sunscreen help to reduce tanning?
Absolutely, but again, don’t expect your sunscreen to completely block tanning. “Sunscreen disrupts the tanning process by blocking or absorbing UV rays, especially UVA rays, which are primarily responsible for tanning.” When your sunscreen is doing its job, it means less UV is reaching your skin, so there will be “less stimulation of melanin, the pigment responsible for that bronzed look,” she adds.
Simply put, “no sunscreen is an impenetrable barrier,” says Dr. Gohara. The American Academy of Dermatology recommends using a sunscreen that's SPF 30 or higher, but even “SPF 50 blocks about 97% of UVB rays, and UVA protection varies depending on the product.” The higher the sun protection factor number, the higher percentage of UVB rays are blocked. “That remaining 3%, plus human error—like not using enough, missing spots, or forgetting to reapply—means some UV radiation will reach your skin.” And guess what that means? Gradual tanning can occur, even if you’re careful.
Supergoop! Protec(tint) Daily SPF Tint SPF 50
$44.00, Nordstrom
ISDIN Eryfotona Actinica Ultralight Mineral Sunscreen SPF 50+
$46.00, Sephora
How can you prevent getting a tan?
So if sunscreen alone can't prevent you from tanning, what will? To truly and effectively limit tanning, a layered, multi-step approach will be the key to your success. “Sunscreen alone isn’t enough—it’s part of a sun-smart system,” Dr. Gohara explains. “Use a broad-spectrum SPF 50+ sunscreen and reapply every two hours—more often if swimming or sweating. Wear UPF-rated protective clothing, wide-brimmed hats, and UV-blocking sunglasses.”
What’s more, seek shade. Dr. Gohara also says to “stay in the shade between 10 a.m. and 4 p.m. and avoid reflective surfaces like water, sand, or snow, which bounce harmful UV rays back at your skin.” By using sunscreen and preventing tanning, you’re helping your future self by promoting healthy skin and avoiding more rapid skin aging.
La Roche-Posay Anthelios Mineral Ultra-Light Face Sunscreen SPF 50
$40.00, Amazon
Colorescience Sunforgettable Total Protection Brush-On Sunscreen (SPF 50)
$69.00, Amazon
How to choose the best sunscreen to help prevent tanning
Choosing a sunscreen is simple, really. First things first, choose one that you actually like (maybe you enjoy the scent, the texture, or how well it absorbs). Trust us, this matters. “If you like the way it feels and looks, you’ll wear it,” says Dr. Gohara. It’s important to wear sunscreen every day, so you might as well enjoy it. Think of it as the last step of your morning skincare routine or the first step of your makeup routine. Some other important factors to keep in mind while you're shopping, according to Dr. Gohara:
Look for a broad-spectrum sunscreen to block both UVA (tanning/aging) and UVB (burning) rays.
Choose SPF 50 or higher to maximize protection. You want a higher SPF to block more rays.
Decide between mineral sunscreen or chemical sunscreen. It doesn’t matter which one you choose; the key is consistency—use the one you’ll apply properly and reapply regularly.
Finding a water resistant formula is crucial for staying power. If it’s water resistant, it’ll say on the label.
Not to be blunt, but there’s really no good excuse to skip SPF application, regardless of your skin tone or skin type. Between tinted sunscreens, sunscreens for acne-prone skin, sunscreens for oily skin, and so much more, there are so many types of sunscreens that there’s definitely at least one formula out there that you’ll love.
Vacation Super Spritz Face Mist (SPF 50)
$23.00, Amazon
EltaMD UV Stick Sunscreen (SPF 50+)
$38.00, Amazon
Does sunscreen expire?
A heads-up: Sunscreen does expire. Check your sunscreen bottle’s label to ensure it isn’t past its expiration date. Once it’s past its expiry date, the sunscreen may be less effective, making it quicker and easier to tan, burn, and overall get exposed to sun damage (and no one wants that).
Catharine Malzahn is the contributing associate beauty editor at Glamour.
Originally Appeared on Glamour
