Unseen sunscreen ingredients12/28/2023 It turns out many were put on the market long before today's regulations on safety and efficacy for over-the-counter medications were put into place, "so they didn't have the standard battery of testing that any medication being approved today would undergo." This is really a situation of sunscreens "catching up" with modern regulations, she says. In an editorial that accompanied the FDA report, Shinkai describes how sunscreen products ended up in this dilemma. (One of the ingredients, oxybenzone, has been found in breast milk, urine and blood plasma.) The high absorption rate of these ingredients means we need to study their potential toxicity levels further, the researchers wrote.Įnvironment Key West To Ban Popular Sunscreen Ingredients To Protect Coral Reef In a study published in May, FDA scientists found that four active ingredients found in commercial sunscreens - avobenzone, oxybenzone, octocrylene and ecamsule - were "systemically absorbed" into users' skin. The FDA noted that only two of the 16 active ingredients commonly used in commercial sunscreens - the mineral sunblocks, zinc oxide and titanium dioxide - are "generally recognized as safe and effective." That's a designation the FDA gives a substance when qualified experts consider it generally safe for its intended use. So the agency has asked sunscreen manufacturers to complete safety studies by this November. And it's unknown whether there are any harmful health effects. "I think there was an assumption that these are things that we apply to our skin - they don't really get into our bloodstream," Shinkai says.īut earlier this year, the Food and Drug Administration raised concerns about chemicals commonly found in sunscreen, noting that they can enter the bloodstream at levels significantly higher than the current FDA threshold for safety testing. When we smear on sunscreen, dermatologist Kanade Shinkai with the University of California, San Francisco says, most of us don't think about it getting under our skin.
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