We all use sunscreen in summer days, it is the most essential product for this season.
But, do you know that Just using sunscreen for one day is enough for several chemicals in the product to enter the bloodstream, the new study from the Food and Drug Administration claims.
The study, published Monday, they tested on just 24 people, but the results were really worrying and showed evidence enough to do further government testing. It was one of the first studies to find out the effects of the chemicals in sunscreen.
The healthy, adult volunteers were divided into four groups to test the sunscreen of different types, a lotion, a cream and two types of spray sunscreens.point 240 |
Then, four times a day for four days, researchers applied 2 milligrams of sunscreen per square centimeter of skin on 75 percent of their body, the “recommended amounts,” and researchers said that the average person typically applies less.point 205 |
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After that, the researchers took 30 blood samples from each group during the seven total days of testing and searched for four of the main chemicals in a sunscreen: avobenzone, oxybenzone, octocrylene, and ecamsule.
And it is said that in only one day, all four chemicals were found in the volunteers’ blood, and exceeded 0.5 nanograms per milliliter, past the FDA guidelines.
However, researchers say to people, do not stop using sunscreen. In an editorial accompanying the study, both published in JAMA, Dr. Robert Califf, a former FDA commissioner, and Dr. Kanade Shinkai, a dermatologist at the University of California, San Francisco, said more testing is needed.
“The demonstration of systemic absorption well above the FDA guideline does not mean these ingredients are unsafe,” they said.point 223 |
“However, the study findings raise many important questions about sunscreen and the process by which the sunscreen industry, clinicians, specialty organizations and regulatory agencies evaluate the benefits and risks of this topical OTC medication.point 217 |
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Califf and Shinkai said that going out without sunscreen is much more dangerous.
“The findings of the study by Matta et al will likely raise concerns in the medical community, as well as among sunscreen users,” he said.point 189 | “Until more information is available, it will be important to continue to reinforce clinical recommendations regarding the beneficial effects of photoprotection [sunscreen] for skin cancer prevention … avoidance of the sunscreen ingredients highlighted in this study, or of sunscreen altogether, could have significant negative health implications.point 496 |
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