Interesting Engineering on MSN6mon
Lignin-based eco-friendly sunscreen lasts even hours after UV exposureBiocompatibility tests revealed that the modified lignin-containing sunscreen was non-toxic to human keratinocytes, ...
Though the FDA has deemed them non-toxic, chemical-based sunscreens can cause skin and eye irritation, and some ingredients may be damaging to the environment. While mineral sunscreens used to ...
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