On June 14, 2011 the FDA announced new requirements for over-the-counter sunscreen products. In the past the only labeling requirement has been the SPF value, which measures how many times longer a person can be in the sun before getting sunburned after applying the sunscreen compared with not applying it. This does a good job in addressing the UVB damage, which causes burns. But there is another part of the ultraviolet spectrum called UVA which causes skin cancer and premature aging. Beginning in the summer of 2012, sunscreens with UVA and UVB protection and SPF of at least 15 will be labeled "broad spectrum." Be sure to look for this on the label when deciding on a product. The other change will be that the maximum SPF value will be 50, so any products with SPF value of greater than 50 will be labeled SPF 50+. This is because sunscreens with SPF greater than 50 have not shown to be more protective against premature aging, sunburns, and skin cancer when compared to those with SPF 50. I recommend daily use of a broad spectrum sunscreen with SPF of at least 30.
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