Learn about PFAS
Plain-English, sourced answers on where forever chemicals hide and what to buy instead.
Start here
1 · What PFAS are, in plain English
The two-minute version of the science, no chemistry degree needed.
2 · How our A-to-F grades work
The public rubric behind every score, and what we can and cannot know.
3 · Audit your home, room by room
Two minutes of yes/no questions become your personal swap list.
4 · Swap the worst with a starter kit
The top A/B pick in every category of a room, bundled.
5 · Keep up with recalls and rulings
The news engine tracks EPA, FDA, and state actions daily.
Guides
PFAS in Tampons and Period Products: What to Know
Over the past several years, independent testing has raised questions about whether "forever chemicals" — per- and polyfluoroalkyl substances (PFAS) — are
PFAS in Drinking Water: Risks and How to Filter Them Out
PFAS — short for per- and polyfluoroalkyl substances — are a class of thousands of synthetic chemicals used since the 1940s to make products resistant to g
Is Gore-Tex Safe? PFAS in Waterproof Jackets Explained
If you own a rain jacket, hiking shell, or ski coat, there's a good chance it contains PFAS — "forever chemicals" prized for their ability to repel water a
Does Teflon Contain PFAS?
Yes. Based on available materials and data, Teflon is a brand name for polytetrafluoroethylene (PTFE), which is itself a PFAS (per- and polyfluoroalkyl sub
PFAS in Cookware: Which Pans Are Actually Lower-Risk?
Nonstick pans made cooking easier, but the chemistry behind that slick surface has raised persistent questions. "PFAS-free" claims are now stamped on packa
What is PFAS? A Plain-English Guide for Consumers
If you've seen headlines about "forever chemicals" in drinking water, cookware, or cosmetics and felt confused about what it actually means for your househ
Brand and category deep dives
Full archive →Best PFAS-Free Water Filters: Reverse Osmosis vs. Pitcher
The clear winner for PFAS reduction is reverse osmosis (RO). Based on available materials and third-party test data, RO systems consistently outperform pit
Best PFAS-Free Cookware, Ranked and Scored
Based on available materials and data, the Xtrema 100% Ceramic Cookware line earns the top spot in this ranking. Unlike coated pans that rely on a nonstick
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