04-24-2024, 02:59 PM
An SPF of 15 blocks 93% of incoming radiation, SPF 30 blocks 97%. SPF 50 blocks only 1% more than SPF 30, at 98%.
![[Image: tan-lines-v0-wxdtacbz0vmb1.jpg?width=108...b03051db07]](https://preview.redd.it/tan-lines-v0-wxdtacbz0vmb1.jpg?width=1080&crop=smart&auto=webp&s=bcf80afa98cc4766888c9461c85bf5b03051db07)
![[Image: cvdmltg9fn751.jpg]](https://i.redd.it/cvdmltg9fn751.jpg)
![[Image: fpfdp9q70hba1.jpg]](https://i.redd.it/fpfdp9q70hba1.jpg)
![[Image: ZBhvm.jpg]](http://i.imgur.com/ZBhvm.jpg)
![[Image: tjm1y9wp9ge91.jpg]](https://i.redd.it/tjm1y9wp9ge91.jpg)
![[Image: 1ajcccyhcuxa1.jpg]](https://i.redd.it/1ajcccyhcuxa1.jpg)
![[Image: 08lesuypqjo21.jpg]](https://i.redd.it/08lesuypqjo21.jpg)
![[Image: vrrd3hspxm381.jpg]](https://i.redd.it/vrrd3hspxm381.jpg)
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TIL Sunscreen SPF is a very nonlinear metric.
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04-24-2024, 03:13 PM
(04-24-2024, 02:59 PM)Replying to DawgSong An SPF of 15 blocks 93% of incoming radiation, SPF 30 blocks 97%. SPF 50 blocks only 1% more than SPF 30, at 98%. Good ole Tan Line Toosdey. Mercy!
"But, we didn't come up here to take shots. We came up here to throw 'em." - Kirby Smart 11/13/2021
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