bemotrizinol

noun

be·​mo·​tri·​zi·​nol ˌbe-mō-ˈtri-zə-ˌnȯl  -ˈtrī-  ˌbē- 

: a chemical compound C₃₈H₄₉N₃O₅ that absorbs UVA and UVB radiation and resists degradation when exposed to sunlight and that is used as an ingredient in sunscreens

The Food and Drug Administration announced June 9 [2026] that it had approved bemotrizinol for use in sunscreens in the United States, marking the first new sunscreen ingredient introduced since the 1990s. … Along with being broad-spectrum, bemotrizinol offers a higher SPF in smaller amounts than other popular ingredients …

—Mary Walrath-Holdridge and Michelle Del Rey

The FDA considers bemotrizinol to be generally recognized as safe and effective … for use in sunscreens by adults and children 6 months of age and older.

—U.S. Food and Drug Administration

One benefit of bemotrizinol is its ability to filter both UVA and UVB rays, so it doesn't have to be mixed with other products to do the job. It has some other beneficial features as well. First, its molecules prefer to sit on the surface of the skin rather than being more readily absorbed into the bloodstream …

—States News Service

Bemotrizinol, while new to the U.S., isn't a new compound. European regulators approved it in 2000. Chances are, if you brought back sunscreen from a vacation in Mexico, Europe, Canada or South Korea, you may even have some laying around your house.

—Guy German

called also BEMT

Word History

Etymology

bemo- (of undetermined origin) + -trizi- (probably altered from triazine) + (phe)nol

First Known Use

2004, in the meaning defined above