A study in the U.S. has discovered that the chemicals in sunscreen enter into the bloodstream of users within hours of use. Many active ingredients, present in popular sunscreens, get absorbed into the body than that of being on the skin. The study, published in the Journal of American Medical Association (JAMA) on Monday, reveals the surprising fact. The U.S. Food and Drug Administration carried out the analysis and found that blood concentrations of ingredients continued to increase. It even remained in the bloodstream for up to 24 hours.
The new FDA survey included 24 healthy candidates. Those people randomly assigned to use the sunscreen containing active components like avobenzone, octocrylene, or oxybenzone. Scientists asked volunteers to use the sunscreen four times a day for four days. During the study, experts took 30 blood samples per candidate. In the end, scientists found that oxybenzone absorbed into the body at around 50-100 times more than other chemicals. It seems like the study is the FDA’s way to notify sunscreen manufacturers that they need to perform analysis before considering any chemical. It is essential to see whether chemical absorption causes health risks.
At the moment, no one is aware whether the chemical tested during the FDA study are harmful. Scientists noted that those four components remain in question. Before this, research has indicated that sunscreen ingredients can enter the body. At the time, scientists found those chemicals in breast milk. Despite knowing the results, people should continue to use sunscreen due to the increasing risks of skin cancer. FDA recommends people to use at least 15 SPF along with other safeguards like sunglasses and hats. Former FDA chairman Dr Robert Califf said a critical question involves absorptions in babies and kids. Thus it is essential to determine the ideal amount of sunscreen to prevent skin cancer along with maintaining a balance between pros and cons.
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