Your sunscreen may have a high SPF, but that number only measures its protection from one ultraviolet light, UVB.

UVA rays — which penetrate deeper into the skin and could also cause skin cancer — isn’t included in the SPF count.

Now, the FDA’s finally proposed some new “truth in labeling” rules: Sunscreens would be rated for protecting against both UVA and UVB. In addition, lotions’ll carry a warning that sunscreen alone isn’t a guarantee against the sun’s rays, advising consumers to stay out of the midday sun and consider wearing hats and long sleeves.

The agency’s proposal will be open to public comment for 90 days. In the meantime, opt for safer, more effective sunscreens that specifically state protection against both UVB and UVA rays. As much as I complained about the Aubrey Organics sunscreen I’m using, at least it offers protection against both :)

Update: A guide to safe, effective sunscreens, lip balms and moisturizers.

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