The alternative, mineral-based sunscreens-those with only titanium dioxide, zinc oxide, or both as active ingredients-for the most part have received scores of Fair or Poor for overall protection against UV skin damage in our testing.
These chemical active ingredients may possibly harm oceans, and some evidence suggests that oxybenzone may interfere with hormones in the body.) (Some people may want to avoid oxybenzone and octinoxate. “Chemical UV filters are highly effective ingredients that have been used safely for years,” says Joshua Zeichner, MD, an associate professor of dermatology at Mount Sinai Hospital in New York City. And CR’s experts-and others-still recommend using those sunscreens.
While it’s true that these chemicals have been shown to be absorbed through the skin into the bloodstream, experts at the Food and Drug Administration (which oversees sunscreens) have said that the fact that a substance is absorbed doesn’t automatically make it unsafe. For sunscreen: All our top-rated sunscreens have chemical active ingredients.
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