The complicated science behind your sunscreen's SPF rating
In short: While applying a high SPF seems like a simple way to prepare for the sun, the actual science behind how these ratings work is far more complex than most people realize.
This video explores the complexities of Sun Protection Factor (SPF) ratings. While many assume that a higher number simply equates to better protection, the underlying science is more intricate than a straightforward application of product to skin.
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- Summary by Intellect · source: SPF Doesn't Mean What You Think It Means
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