Why sunscreen just got more effective in the United States

Think summer and the word “bemotrizinol” doesn’t spring to mind, but relaxing on the beach or poolside this season just got potentially safer because of that chemical filter.

The Food and Drug Administration (FDA) has approved the sunscreen ingredient, long popular in Europe and Asia, for use in the US. Bemotrizinol blocks ultraviolet (UV) A rays—which can further age or wrinkle skin—as well as sunburn-causing ultrav...