Safest Sunscreens 2025. Scientists have found that most sunscreens contain toxic ingredients that harm sea creatures and bleach coral. Joshua zeichner, director of cosmetic and clinical research in dermatology at mount sinai hospital in new york city, says that chemical sunscreens typically offer superior.

For the 2023 report, ewg tested and ranked over 1,700 sunscreen products for their safety and effectiveness, grouping the results by use. It mainly contains naturally occurring minerals like titanium dioxide or zinc oxide.