When the cold months roll in, many people think sunscreen is unnecessary. The sun is lower, skies are often gray, and we don’t spend as much time outdoors. However, experts say that wearing SPF in winter is just as important as in the summer, if not more. Here’s why you need sunscreen year-round, the myths that need to be busted, and tips on how to protect your skin in the colder months.
Why SPF is Just as Important in Winter
During the winter months, many believe that sunscreen is no longer necessary because the sun’s rays aren’t as strong as they are in the summer. But according to the Skin Cancer Foundation, UVA rays, which are responsible for long-term skin damage such as wrinkles and skin cancer, are present year-round. These rays penetrate through clouds and windows, meaning your skin is still vulnerable even when it’s overcast or when you’re indoors.
UVB rays, which are responsible for sunburn, are indeed weaker during winter months, especially between October and March. However, UVA rays remain constant year-round, regardless of weather conditions. They penetrate deeper into the skin, leading to premature aging, collagen breakdown, and even DNA damage. Because these rays can still penetrate through clouds, windows, and even fog, you are at risk of exposure even on the gloomiest winter days.
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Can Sunscreen Block Vitamin D Production?
There’s a common belief that wearing sunscreen in the winter stops your body from making vitamin D. While it’s true that UVB rays are responsible for triggering vitamin D production in the skin, the product doesn’t completely block this process. Experts say that some UV rays still get through, even when you have SPF on.
Plus, the amount of vitamin D your body can make from the sun is actually limited, even in the summer. People who live in areas with less sunlight or who avoid being outside a lot can end up with low vitamin D levels. The good news is, you can get vitamin D through your diet or supplements, so using sunscreen doesn’t have to be a big concern for your health.
The Best Sunscreen for Winter: What You Need to Know
Choosing the right sunscreen for winter involves looking for products that offer broad-spectrum protection (against both UVA and UVB rays) while also addressing the unique skin challenges of colder months. During winter, your skin tends to become drier, so it’s essential to choose sunscreens that also provide moisture and hydration.
Look for sunscreens with hydrating ingredients like hyaluronic acid, niacinamide, and squalane. These help lock in moisture while protecting against harmful rays. For most people, SPF 30 is enough for everyday winter protection, especially when indoors. However, if you have a history of skin cancer, are using products like retinol, or plan on spending a lot of time outdoors (such as skiing), opting for SPF 50 is a safer bet.
How to Apply Sunscreen in Winter
Your sunscreen routine in winter should be similar to summer but with a few adjustments. Start by cleansing your skin to remove dirt and oils, then apply a hydrating serum with ingredients like niacinamide or tranexamic acid to target winter-specific skin concerns such as dryness, redness, or pigmentation. Afterward, generously apply SPF 30 or 50 sunscreen to your face, neck, and any exposed skin. If your sunscreen doesn’t provide enough moisture, you can layer a moisturizer on top, especially since the cold air can leave skin feeling tight.
While you don’t need to reapply sunscreen as frequently in the winter, it’s still important to apply it in the morning. If you’re spending a lot of time outdoors or near large windows where UV exposure is higher, consider reapplying after a few hours to maintain protection.
