Comment by dreamcompiler | Hacker News Reader

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Comment by dreamcompiler | Hacker News Reader

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dreamcompiler·

I thought so too but it's not the case. Even the mineral sunscreens mostly absorb.

https://cen.acs.org/business/consumer-products/What-in-sunsc...

Video with a UV camera is interesting: https://www.youtube.com/watch?v=E9tEEDpeJoo

Black means absorbed, of course.

And, omg, you can buy an active version on amazon, for this exact purpose: sunblock coverage check!

https://www.amazon.com/s?k=uv+mirror+for+sunscreen+test

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