Let’s be honest—periods are enough of a rollercoaster without worrying that your underwear might be hiding something sketchy. If you’ve seen “PFAS-free” popping up more often lately and thought, “Wait, what’s that?”, you’re not alone.
We’re breaking it down for you: what PFAS are, why they’re a problem, and how switching to PFAS-free period underwear can be one of the best choices you make for your body (and the planet).
First up, what exactly are PFAS?
PFAS stands for per- and polyfluoroalkyl substances—a group of synthetic chemicals used in everything from non-stick pans to waterproof jackets. They’ve been around since the 1940s, and they don’t break down easily, which means they hang around in our environment—and in our bodies—for a long time.
Charming, right?
The not-so-fun part? PFAS have been linked to hormone disruption, fertility issues, and even some cancers. That’s especially concerning when it comes to products designed to sit close to one of the most absorbent parts of your body for hours at a time.
Some period product brands have been found to contain PFAS—used to boost leakproofing or moisture resistance.
At Fri Period, we believe you deserve to know what’s going on down there. Full stop.
Why we don’t use PFAS
Our founder lives with an endocrine disorder, so formulating a product free from hormone-disrupting chemicals was important to her. After months of testing and prototyping, we landed on a material combo that ticks every box: safe, breathable, and genuinely comfortable.
Here’s what you’ll find in every pair of Fri Period underwear:
• Lining: 95% organic cotton, 5% spandex
• Outer Layer: 95% natural bamboo, 5% spandex
• Absorbent Core: 80% polyester, 20% nylon with breathable PUL
They’re also made in a certified facility that shares our values of sustainability and transparency.
Why PFAS-free period underwear matters
Choosing the right period underwear isn’t just about ticking a clean-living box. It’s about:
• Protecting your hormones: No more worrying about what’s absorbing into your skin.
• Respecting the planet: PFAS don’t break down easily and can contaminate water and soil.
• Prioritizing comfort and safety: Because your period care should always have your back (and front).
Your body deserves better.
And better doesn’t have to mean boring. At Fri Period, we’ve created PFAS-free period underwear that’s comfy, absorbent, cute, and safe—because you shouldn’t have to compromise.
Ready to ditch the chemicals and feel fabulous doing it?
