Support WBURMany Common Sunscreens May Harm Coral. Here's What To Use InsteadPlay03:03Download AudioApril FultonJuly 02, 2018 ShareSunscreens containing minerals like zinc oxide and titanium dioxide reflect the sun's rays away from skin and are a good alternative to chemicals that could be harmful to ocean reefs. (Photo illustration by Eslah Attar/NPR)
