this post was submitted on 06 Sep 2025
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[โ€“] BenchpressMuyDebil@szmer.info 2 points 3 weeks ago (1 children)

Interesting to see that companies which pass in the chemical filter category fail in the mineral filter part. For example, in the link you posted Neutrogena's chemical filter has measured SPF of 52 but their "SPF50+" zinc version is actually in the 20s

It seems like all the zinc oxide mineral sunscreens have significantly lower spfs than stated.