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 ...

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.