Wearing SPF During Winter Just Got Easier Thanks to This Next-Gen UV Filter

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 Wearing SPF During Winter Just Got Easier Thanks to This Next-Gen UV Filter

I’ve written extensively about my beef with the lack of available chemical sunscreen filters here in the U.S. Compared to other places like Korea and Europe, the U.S. is pretty behind in that realm, but I have hope yet. Recently, the FDA approved bemotrizinol for use as a sunscreen filter here in the U.S.—the first approved filter in 20 years. This filter might be new to us here in the States, but it’s actually a known and trusted one that’s been used in other parts of the world for ages. It’s a great step in the right direction, and it’s nice to see that the FDA isn’t holding out on us. Better late than never, I guess, right?

If you have questions, don’t worry; you’ve come to the right place. I’m breaking down everything you need to know about this newly approved filter, what SPF formulas are rolling out with it now in the U.S., and my thoughts on a few of them.

What is bemotrizinol?

Let’s first talk about what this filter is and a bit about its history. Associate vice president of skincare development and scientific valorization at L’Oréal Research and Innovation North America Stephen Lynch says, “[Bemotrizinol] is an organic UV filter that has been used internationally for many years and was recently approved for use in U.S. sunscreens. It provides protection across both UVA and UVB wavelengths, which makes it a useful addition to the sunscreen formulator’s toolbox.”

According to American Chemical Society, bemotrizinol (BEMT for short) absorbs UVA (315 to 400 nm) and UVB (280 to315 nm) light rays. It was originally developed in Switzerland in the ’90s and first formulated into sunscreens in the European Union in 2000. Lynch says that BEMT has long been a staple in La Roche-Posay formulas over the years. “While BEMT is new to the U.S., it is not new to La Roche-Posay,” he says. “Our teams have years of experience formulating with it internationally, supported by L’Oréal’s nearly 100 years of research in sun protection. So we’re bringing a lot of existing knowledge into the U.S. rather than starting from scratch.”

How does bemotrizinol compare to other sunscreen filters?

Lynch says that what makes BEMT interesting and sets it slightly apart is the breadth of its UV absorption. “It provides protection across both UVA and UVB wavelengths, including strong coverage in the short-UVA range,” he shares. “But it’s important not to look at any UV filter in isolation. Sunscreens are developed using combinations of filters’ expertise and formulation technologies, and the finished product is what ultimately determines the level of protection, stability, texture and overall experience.

Some of you might be tempted to ask how it stacks up against mineral filters, but Lynch says there’s a lot of value in both. “I wouldn’t describe BEMT as better than mineral filters,” he explains. “Organic and mineral UV filters work differently, and both can be used to create effective broad-spectrum sunscreens. What BEMT does is give formulators another option. The performance of a sunscreen depends on the expertise in formulating—the combination of UV filters, how they are formulated together, and how the finished product is tested to be safe and performant—rather than on one filter alone.”

Another thing to note is your specific skin and its needs. Some people have sensitive skin or a skin condition that reacts negatively to chemical filters so a mineral sunscreen might work better there. But if you’re able to use chemical filters without any adverse reaction, BEMT is a great option—especially for those with darker skin tones who hate a white cast (guilty).

I recently tried out a couple new formulas featuring BEMT on my sensitive, acne-prone skin. See my thoughts below.

The New SPF Formulas on the Block

More Sunscreens I Love

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