"In some studies, researchers have found detectable levels of [oxybenzone] in human blood and breast milk. Based on animal studies, there’s concern that it could interfere with the normal function of a number of hormones, including estrogen....
...a paper recently published in the journal Reproductive Toxicology suggests that pregnant women who use sunscreen with oxybenzone daily might absorb enough of the chemical to increase the risk of a birth defect..."
"OXYBENZONE HAS A RANGE OF HIGHLY DAMAGING EFFECTS ON CORAL, FROM GROSS DEFORMITY TO DEATH, AND IS SHOWN TO BE AN ENDOCRINE DISRUPTER.
Baby coral exposed to field-realistic concentrations of oxybenzone encased themselves in their own skeleton and died.
One drop of oxybenzone in the equivalent of six-and-a-half Olympic-size swimming pools’ worth of water is sufficient to damage coral.
Levels of oxybenzone in seawater around coral reefs in Hawaii and the US Virgin Islands were found to be 12 times higher than the concentration that damages baby coral.
There are a number of concerns about the effect of oxybenzone on human health. It is on the EU’s ‘Substitute It Now’ list of substances that should be replaced and meets the criteria for ‘Substances of Very High Concern’. "