So as long as you see the words “SPF 30” and “broad spectrum,” you’re generally golden. The term “broad spectrum” means that the sun protection also spans UVA rays-which are the culprits of premature aging, wrinkles, and (of course) skin cancer formation. So we’re happy if you can use at least an SPF 30,” Dr. “SPF 30 blocks 97 percent of the sun's UVB rays and SPF 50 blocks about 98 percent of the rays. As far as the number goes, the derm-recommended minimum is 30. By opting for a moisturizer with SPF, you get the best of both worlds-skin-loving ingredients and protection from UV rays.īut wait, why SPF 30 and broad spectrum? Let’s break it down a little more: SPF, which stands for “sun protection factor,” refers to the amount of time you have before those UVB rays start to do some damage-like sunburns, redness, and skin cancer formation. “As long as it’s SPF 30 or higher and has broad spectrum coverage, it is safe,” says Dr. But chances are that SPF 15 lotion isn’t doing much. What about a moisturizer with SPF?Ī double-duty product seems like a no-brainer-moisturizing your skin while you protect against sun exposure? Yes, please. While it might seem like an easy DIY hack at the moment, we promise it’s not worth the possible repercussions. When you mix your SPF with another medium like moisturizer, you run the risk of diluting your sunscreen’s effectiveness or canceling it out altogether. Chemical sunscreens, on the other hand, contain active ingredients like avobenzone to absorb the sun's rays and release it in the form of heat. Physical sunscreens-also called mineral sunscreens or sunblock-contain minerals (like zinc oxide and titanium dioxide) that create a barrier on your skin to block out harmful rays. SPF is divided into two camps, physical and chemical, and works two different ways: Like a sponge or like a shield. To mitigate potential sun damage, she recommends taking things one step at a time by letting a product sit and absorb before moving onto the next.īut to get the full picture, you’ll need to understand the types of sunscreens and how they function. “There can be properties in the moisturizer that could inactivate ingredients in the sunscreen,” warns Dr. Can I mix my moisturizer and sunscreen together? With the help of board-certified dermatologist Mamina Turegano, MD, we’ve detailed everything you need to know about when to slather on your sunscreen.Ībout the Expert: Mamina Turegano, MD is triple-board-certified dermatologist, internist, & dermatopathologist based in New Orleans. We promise this isn’t some existential chicken-or-egg-first question, because there definitely is an answer-but it isn’t exactly straightforward. Since sunscreen is such an essential part of your skincare regimen, and when applying it, one of the most important things to understand is the importance of order. What’s the best sunscreen for my skin type? Do I apply SPF before or after moisturizer? Do I need to wear sunscreen indoors? We get it, and these are all good questions to ask-and finding the answers brings you way closer to becoming the dewiest, glowiest version of yourself. But it’s a subject that can be filled with mystery. One universal skincare truth exists: SPF should be worn by everyone, every day, everywhere.
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