July 28, 2023
In 1938 Swiss chemistry student Franz Greiter suffered a sunburn while mountain climbing in the Alps and set out to develop a way to prevent this. Eight years later he launched Glacier Cream, one of the earliest effective sunscreens.
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What Does SPF Mean?
Sun protection factor, or SPF, is a measure of a sunscreen’s ability to protect the skin from ultraviolet B (UVB) radiation, the portion of sunlight primarily responsible for sunburn and a major contributor to skin cancer. The Sun also emits ultraviolet A (UVA) radiation, which penetrates deeper
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