TIL many common chemicals found in sunscreens used to protect against sunburns and UV damage threaten corals and marine life.

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reef-safe sunscreen is the way to go (and required in some places). thanks for sharing this oft-overlooked info.


Just a heads up so nobody makes my mistakes: do NOT use alcohol based sunscreen if you’re already burned. I got sunburned in SF and flew to Hawaii with reef-safe alcohol based sunscreen and put it on and it was fine for about 10 seconds, then it was very much not fine.


This is just misinformation (or misleading at best)/slacktivism. Completely irrelevant unless you are going to be scuba diving in a coral reef which is a tiny percent of people. The relevant causes of coral reef destruction are giant cruise ships and tankers dumping literal unprocessed trash (or unprocessed ash from just burning the trash) and raw sewage directly into the ocean and onto or very near coral reefs. Also, higher temperatures (climate change).


Speaking as a Ginger with a capital G who’s gone to the emergency room for 3rd degree sunburns, mineral based(zinc oxide, etc) sunblock is what you want, not chemical based sunscreen. It’s better for you, better for the environment, and is more effective. Blue Lizard is my go to brand, those Aussies know sun exposure(and gingers know sunburns)


I only buy my sunscreen in Hawaii now. They are very strict about ingredients.