Bemotrizinol Nears FDA Approval, Ending 26-Year US Sunscreen Drought
On December 11, 2025, the US Food and Drug Administration issued a proposed administrative order to add bemotrizinol (BEMT) to the list of active ingredients permitted in over-the-counter sunscreens. If finalized, it will mark the first new sunscreen ingredient approved in the US in 26 years, since 1999.
Why the US Stood Still for 26 Years
The US currently permits just 16 active sunscreen ingredients, compared to roughly 30 in Europe. American sunscreen technology has long been described as “decades behind.” Bemotrizinol itself has been commercially available in Europe, Australia, Korea, and Japan for more than 20 years.
The lag stems from how each region regulates sun protection. Europe, Korea, and most of Asia classify sunscreens as cosmetics. The US classifies them as OTC drugs, which requires clinical-grade safety data. No manufacturer had cleared that bar since 1999.
America’s First Dual-Spectrum Chemical Filter
The core value of bemotrizinol is that a single molecule absorbs both UVA and UVB. That matters because UVA penetrates deep into the dermis, driving photoaging (wrinkles, pigmentation, collagen breakdown), while UVB damages the epidermis and causes sunburn.
Existing US chemical filters (avobenzone, oxybenzone, octinoxate) are largely specialized for one band or the other, so broad-spectrum protection required stacking multiple chemicals, which increases the risk of irritation and allergic response.
Equally important is photostability. Chemical filters can degrade as they absorb UV. Avobenzone in particular breaks down quickly under direct sunlight, which is why formulas using it need reapplication every two to three hours. Bemotrizinol degrades far more slowly, extending effective wear time.
Larger Molecule, Lower Systemic Absorption
Dr. Michelle Henry, a New York dermatologist, said bemotrizinol “fills a lot of the holes in the sunscreens we have right now.” Cosmetic chemist Victoria Fu said it “will have a huge impact on the US sunscreen industry.”
Bemotrizinol’s molecular weight is about 627 g/mol, compared to 310 for avobenzone and 228 for oxybenzone. Larger molecules struggle to cross the skin barrier into the bloodstream. The FDA review notes “low levels of absorption through the skin into the body.” The Environmental Working Group, which has flagged hormone-disruption concerns for oxybenzone, considers bemotrizinol’s safety data strong.
Skin irritation rates are low enough that BEMT would become only the third ingredient, after zinc oxide and titanium dioxide, approved for infants as young as 6 months. It would be the first chemical filter ever to hold that designation in the US.
High-SPF, No White Cast
Mineral filters (zinc oxide, titanium dioxide) are safe but leave a noticeable white cast. That texture limits their appeal for consumers who wear sunscreen under makeup, which is one reason Asian and European formulations have dominated the premium end of the US market through imports and direct shipping.
Bemotrizinol, as a chemical filter, spreads smoothly and leaves no cast. It enables lightweight SPF 50+ formulations that sit well under foundation, making the “sunscreen as the first layer of skincare” approach more realistic for American consumers.
Timeline and Market Impact
The FDA accepted public comments through January 26, 2026, and plans to issue a final order in summer or fall 2026. Manufacturers could begin marketing bemotrizinol-based products in the US by late 2026.
The US beauty market is worth roughly $90 billion annually, with sunscreen accounting for about $2.2 billion. Adding bemotrizinol gives domestic formulators a tool that their global counterparts have used for two decades, which should raise the average quality of American sunscreen noticeably over the next several years.
What Bemotrizinol Doesn’t Change
A new filter doesn’t retire the old ones. Dermatologists emphasize that mineral filters remain the first choice for sensitive or eczema-prone skin. Bemotrizinol will likely occupy a specific niche: reapplication over makeup, long outdoor sessions, and broad-spectrum protection for young children where mineral white-cast has been a practical barrier.
Given that UV exposure drives roughly 80 percent of visible skin aging, a better filter is less about product novelty and more about reshaping the long-term strategy for skin health.