![]() ![]() ![]() Because of the spray, it's easy to miss a whole area of your body, especially if you're applying it outside. OYESANYA: I think that spray sunscreens are a bit risky. Oyesanya says it's a little trickier to gauge the amount. ORENGO: We always say, like, a shot glass full of sunscreen is for the whole body.ĪUBREY: And about a teaspoon for the face. The recommended amount is about an ounce and a half of liquid sunscreen. One mistake many people make is using too little. And as we go up in SPF - SPF 50, SPF 75, SPF 100 - you're really getting a minuscule increase.ĪUBREY: She tells her patients to focus less on the SPF and more on the amount of sunscreen they use. OYESANYA: SPF 30 is sufficient, and that's because SPF 30 is going to filter 97% of the UV rays that are coming through from the sun. But it turns out the sunscreens with the highest sun protection factor aren't necessarily better. As for choosing the SPF, lots of sunscreens come in SPF 50 or even 80. Because they're so inert, they're less likely to enter the bloodstream.ĪUBREY: And they're better for sensitive skin since they're less likely to irritate, she says. TOLA OYESANYA: I think that zinc oxide and titanium dioxide are much, much safer than chemical sunscreens. ![]() They're also called mineral sunscreens, and some newer versions go on without that thick, white, pasty look. Tola Oyesanya, a dermatologist with Kaiser Permanente in the Baltimore area, told me she recommends an alternative - physical sunscreens made from titanium dioxide and zinc oxide. I'd always bought the standard chemical sunscreen sprays in the past, though recent studies found some of these chemicals can get into the bloodstream. So once I tossed out the old ones, I was in the market for new sunscreens. And she says bacteria can get into the creams, too. And even if they haven't expired, my kind of mantra is every spring, I buy all new sunscreen for my household.ĪUBREY: The active ingredients can degrade. IDA ORENGO: I always tell people that you need to look at the expiration date and get rid of them. I mean, at $10 a bottle, why not? But Ida Orengo, a dermatologist at Baylor College of Medicine, persuaded me to toss it out. That's one of several tips we hear from NPR's Allison Aubrey.ĪLLISON AUBREY, BYLINE: When I rummaged through last season's pool bag and found a few bottles of half-used sunscreen, I figured I'd lather some on. Well, it seems that picking the right sunscreen is less important than using enough. Ads assure you that this brand or that one is the best. You've heard the advice to put on sunscreen. ![]()
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