Every beauty buff and dermatologist will tell you that sunscreen is the best anti-ager out there, not to mention the only known foil to those ever-more-dangerous UV rays. In attempts to ensure that sunscreens are protecting us in the ways that they promise, the FDA has set new guidelines, requiring that when a sunscreen is labeled as “broad spectrum,” it has indeed undergone the correct testing to ensure it contains the right percentages of ingredients to adequately shield skin from UVB and UVA rays.
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