11 Jul 2023 --- The paradoxical nature of sunscreen is well-documented, as the UV protection properties of certain ingredients can sometimes be overshadowed by potential health risks. In some cases, these compounds present a toxicity risk to marine life when dispersed into open water. But new research reveals that environmental contamination by one particular ingredient, octocrylene – an organic UV filter featured widely in formulations – may be less detrimental to wildlife than previously thought.