A photo of a billboard for a beef-tallow sunscreen by a brand called Primally Pure has people doing a double-take. Along with a photo of the product, the ad reads, “Poison-free SPF with tallow. Next ...
A new SPF 50 sunscreen prototype uses radiative cooling to both protect the skin from UV rays and cool it off. Compared to a commercial sunscreen, the new formula kept the skin cooler when measured ...
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