SPF Doesn't Mean What You Think It Means

SPF seems pretty simple. Find a high number, rub some on your nose, and you're ready for some sunshine. Unfortunately the science behind it is a little more complicated.

Hosted by: Michael Aranda

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Sources:

https://www.researchgate.net/profile/...
https://onlinelibrary.wiley.com/doi/f...
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://www.skincancer.org/prevention...
https://share.upmc.com/2014/07/infogr...
https://www.who.int/uv/faq/whatisuv/e...
https://onlinelibrary.wiley.com/doi/a...
https://www.sciencedirect.com/science...
https://pubs.rsc.org/en/Content/Artic...