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Posts by Kevin Simper‭

1 post
Score Age
50%
+0 −0
Q&A Why does sunscreen not work all day?

All over the internet it says that sunscreen does not work all day, but does not say anything about why. Why does sunscreen not work all day? Does the matrials get destroyed by the UV rays? Or is...

2 answers  ·  posted 10y ago by Kevin Simper‭  ·  last activity 7y ago by System‭

Question uv-protection