Comment on Why can't I apply SPF50 sunscreen twice to get SPF100 protection?

Lasherz12@lemmy.world ⁨1⁩ ⁨week⁩ ago

If you’ve ever used a UV camera it’s pretty clear that much like lotion not absorbing after a certain point, there’s a limit to how dark your skin gets with a given sunscreen. Also that there’s a massive difference between brands and formulas. I had some photos I took with one but can’t find them. If I do later I’ll update

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