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RENO, NV (KOLO) Although this does not seem to be the case yet, warm weather is coming. And if you do not use sunscreen all year, as it should, it will soon be time to remove the bottle or spray.
Experts have drilled the Sun Protection Factor (SPF) and explained how sunscreens should protect your skin from ultraviolet A and B rays.
You may not know that there are two types of products, screens and minerals.
"Minerals are blockers," says Dr. Billie Casse, MD, of the Nevada Center for Dermatology. "They sit mainly on the epidermis and block the ultraviolet light. The screens filter the sun into the epidermis, "says Dr. Casse.
Earlier this month, in the medical journal JAMA, researchers revealed the results of a small study on sunscreen and its absorption in the body.
The study of 24 people showed that the chemicals in the sunscreen were actually absorbed by the blood.
Some of these chemicals are active ingredients of sunscreen, such as avobenzone, oxybenzone, octocrylene and ecamsule, all contained in sunscreens. chemical.
The Food and Drug Administration says it does not know if there are safe concentrations of these chemicals once they enter the body.
"Let's not say it's dangerous," says Dr. Casse.
Dr. Casse stated that the recommendation to wear sunscreen remained unchanged until further studies were conducted.
As an alternative, she adds, mineral sunscreens containing mostly zinc oxide might be the best option. In addition, she says that there is sunscreen clothing to protect your skin from the sun.
What this information and this study should not do, says Dr. Casse, is to prevent patients from wearing sunscreen.
When evaluating the risks and benefits of sunscreens, there is no comparison possible.
"Nobody comes here to claim that he stayed in the sun all his life and that he had sunscreen all his life. Now he has skin cancer, "says Dr. Casse.
The Food and Drug Administration proposes to update the regulation on sunscreens. They regulate sunscreens just as the agency regulates drugs. The proposal aims to adapt sunscreens to current scientific standards.
Part of the initiative would be to look at 12 ingredients in sunscreens to determine if they are absorbed by the skin, how quickly that absorption occurs and how safe it is.
Copyright KOLO-TV 2019
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