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Sunscreen Chemicals May Be Absorbed Into The Bloodstream, Study Suggests

Reuters (1/21, Steenhuysen) reports scientists at the FDA found "that active chemicals in sunscreens can readily soak into the bloodstream, confirming the need for more testing on whether these products are safe." The findings were published in JAMA replicating the "findings of a pilot study by FDA scientists in May."

        On its website, CNN (1/21, Lamotte) reports Dr. Janet Woodcock, the director of the FDA's Center for Drug Evaluation and Research, said that just because an ingredient is absorbed into the bloodstream does not mean it is unsafe, "Rather, this finding calls for further industry testing to determine the safety and effect of systemic exposure of sunscreen ingredients, especially with chronic use." Experts agree that "the sun's link to cancer and aging is real, so don't abandon sun protection." The article adds that the American Academy of Dermatology "recommends applying at least 1 ounce of sunscreen to all exposed skin every two hours or after swimming, including 'back, neck, face, ears, tops of your feet and legs.'" The Academy also "recommends talking to a board-certified dermatologist if you are concerned about the safety of the sunscreen's ingredients."

        Healio (1/21) reports that in the latest study, the researchers at the FDA tested six active ingredients and found that all of them were absorbed through the skin into the bloodstream. The six ingredients tested in the study were: avobenzone, homosalate, octinoxate, octisalate, octocrylene, and oxybenzone.

        HealthDay (1/21, Norton) reports Dr. Adam Friedman, a member of the Academy and a professor at George Washington University School of Medicine, said, "All this study shows is that it's possible to detect very tiny amounts of sunscreen ingredients in the blood. It was not designed to say anything about safety." Dr. George Hruza, the president of the Academy, said that it's still clear sunscreen can reduce the risk of skin cancer, "The AAD recommends that everyone seek shade, wear protective clothing – including a lightweight and long-sleeved shirt, pants, a wide-brimmed hat and sunglasses – and apply a broad-spectrum sunscreen with an SPF of 30 or higher to all exposed skin."

        MedPage Today (1/21, Bankhead) and Medscape (1/21, Goodman, Subscription Publication) also cover the FDA study.