For serious sun protection, you'll want a sunblock such as Solar Sense’s Clear Zinc SPF 70 Lotion ($12 for seven ounces). Sunblock actually repels the sun’s rays, unlike sunscreen, which filters them. Solar Sense uses a clear zinc oxide compound that all but blocks UVA and UVB rays. And it’s waterproof.
That said, in sunny conditions, it remains critical to re-apply frequently if you’re swimming or sweating. And, of course, sun-resistant clothing and hats are even better.
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