(Axios) – Dermatologists had hoped that an active sunscreen ingredient popular in Europe would be available in the U.S. by summer — but the Food and Drug Administration still hasn’t approved it. Why it matters: U.S. sunscreens lack some of the advanced UVA protection found in international brands, due to outdated FDA regulations, experts say. Catch up quick: Bemotrizinol, a sunscreen filter, seemed close to FDA approval late last year. (Read More)