Here's everything you need to know about bemotrizinol, and how you can get your hands on it. The Food and Drug Administration (FDA) has finally expanded its list of approved sunscreen filters for the first time in more than 20 years. On Tuesday, the FDA added bemotrizinol, limited to 6% , to the list of permitted active ingredients for over-the-counter sunscreens. U.S. Department of Health and Human Services Secretary Robert F. Kennedy Jr. strongly supports the ingredient, stating in the FDA