No label denotes a totally reef-safe sunscreen, and it’s unclear if ... zinc oxide (23.5%), which experts say is the most sea- and coral-friendly active sunscreen ingredient available in the ...

Reef-safe sunscreens are also usually made up of micro-sized or non-nano particles. This is because nanoparticles can be ingested by coral and negatively impact its health, according to the ...

Many competitive brands are starting to produce sunscreens with labels that state they are "reef-safe" or "coral-friendly." These terms allude to a formulation that is environmentally friendly and ...

University of Hawaii Maui College Student Ohana for Sustainability President Alicia Wood (from left), member Dwight Baldwin and secretary Lyu Burdette discuss sunscreen with Kihei’s Alan Pelzer.