For most of us, toilet paper barely registers on our radar. It’s the ultimate “invisible” essential—until it runs out. So discovering that the rolls in your bathroom might contain some concerning chemicals? That’s a surprise.
There’s a scientific reason researchers are investigating this. Some toilet paper contains PFAS, often called “forever chemicals” because they persist in the environment. That doesn’t mean the rolls you’re using right now pose an immediate health risk, but it does reveal how an ordinary part of daily life intersects with a larger, more complex issue.
The goal here isn’t to cause panic, but to understand the facts, figure out what’s worth worrying about, and consider what, if anything, should be done.
How toilet paper became part of the PFAS story
This isn’t about a social movement—it started in a lab. Scientists analyzing wastewater noticed something unusual: certain PFAS compounds were showing up in the sewage. As they traced the source, toilet paper emerged as a contributor.
A 2023 study by the University of Florida tested rolls from North America, Europe, and Africa. Measurable levels of fluorinated compounds were detected. The main concern wasn’t simply that the chemicals were present, but how they were disposed of.
Unlike clothing or cookware, toilet paper is used once and flushed away. It enters the water system immediately, which isn’t designed to filter out these molecules. Over time, millions of households contribute enough to make toilet paper a significant source of PFAS in sewage sludge.
Interestingly, these chemicals aren’t always added on purpose. They can be introduced inadvertently through recycled paper pulp, factory machine lubricants, or other manufacturing processes.
PFAS is a broad category, with thousands of varieties. Some, like PFOA, are linked to serious health effects, including higher cancer risk and immune suppression. But the actual risk depends heavily on how exposure occurs.
With toilet paper, the concern isn’t skin absorption. Most health experts, including those at the EWG, note that skin uptake of PFAS is extremely low. The main sources of human exposure remain contaminated drinking water and food packaging.
So while PFAS is present in toilet paper, the risk to users is minimal. The real issue lies in environmental accumulation: because these chemicals do not break down, they persist indefinitely in soil and water.
The Bigger Picture: Life After the Flush
The real story begins once you push the handle. When PFAS enters the wastewater system, it often ends up in “biosolids” (treated sewage sludge), which are frequently used as fertilizer on industrial farms.
This creates a cycle: the chemicals move from the paper to the water, then to the soil, and even into the food we might eventually eat. It’s the environmental impact in slow motion, showing just how our everyday choices ripple through the ecosystem.
Recycled vs. Bamboo: Are “Eco” Options Safer?
Trying to do right by the planet, many assume that using recycled or bamboo paper instead of traditional wood pulp automatically reduces environmental harm. But when it comes to chemical safety, there are some surprising complications.
The Recycled Paper Paradox: Recycled toilet paper is often praised for supporting a circular economy, but it can also act as a “magnet” for unwanted chemicals. Think about what goes into the recycling bin: glossy magazines, shipping labels, and thermal receipts may contain BPA or PFAS for water resistance or printability. When these materials are pulped, trace chemicals can survive into the final product. Without extremely stringent filtration, your “eco-friendly” roll could end up containing more contaminants than virgin wood pulp.
The Bamboo Factor: Bamboo is celebrated for its rapid growth and low water needs, but once harvested, it must be processed into soft, white paper. The safety of the final product depends entirely on a “closed-loop” approach. Factories using harsh chemical solvents or elemental chlorine to break down bamboo fibers risk reintroducing contaminants. To truly benefit from bamboo, choose companies that prioritize mechanical processing over chemical methods.
How to Shop Smarter: Products to Watch
When it comes to stocking the bathroom, clarity is hard to come by. Peer-reviewed studies haven’t singled out brands, but some independent tests offer insight.
It’s important to approach these results with caution—most tests are spot checks, not comprehensive surveys. For example, a 2023 report by Mamavation in partnership with Environmental Health News tested 17 products at an EPA-certified lab for total fluorine, a common indicator of PFAS.
Detected levels were generally low, ranging from 10 to 35 parts per million. According to Environmental Health News, these levels are “unlikely to be added on purpose, but are instead accidental contaminants from the manufacturing process.”
The “Caution List” from Limited Testing
Of the 17 brands tested, four had detectable fluorine. This doesn’t mean every roll of these brands contains PFAS, but it highlights how contamination can occur.
- Charmin Ultra Soft: A major conventional brand flagged in these initial tests.
- Seventh Generation 100% Recycled: Even eco-friendly brands aren’t immune. Because recycled paper can carry impurities like old inks or coatings, they may appear in the finished product.
- Tushy & Who Gives a Crap (Bamboo): Both brands showed trace fluorine in limited tests. Who Gives a Crap addressed it on their Transparency page: “Through our regular testing, we have found some trace amounts of organic fluorine… we won’t stop there! We are sooo committed to investigating where this contamination is coming from.”
These findings don’t answer all questions, but they confirm that contamination is a real challenge for manufacturers, not just a hypothetical concern.
Two Categories to Approach with Extra Care
Beyond specific brand names, you can generally protect yourself by paying attention to two types of products that often raise concerns under safety standards like the 2025 Green Seal GS-1 Standard:
- The “Extra” Rolls: This includes toilet paper that is heavily scented or treated with lotions. These additives are unnecessary and can introduce hidden chemicals. The Green Seal standard even prohibits such additives in sanitary paper to reduce these risks.
- The “Vague” Brands: If a company does not disclose its recycling contamination controls or whitening processes, it may be worth considering other options. Transparency is the only real assurance of safety.
What’s the Safe Bet?
To minimize risk, the safest approach is to choose the simplest products available. The current gold standard leans toward Totally Chlorine Free (TCF) processing. This is important, as the World Health Organization (WHO) has noted that earlier chlorine bleaching methods produced dioxins, a type of toxic by-product.
The takeaway is clear: favor products with transparent labeling and fragrance-free guarantees, while viewing luxury or vaguely described options as less safe. It’s not about perfection—it’s about choosing brands that strive hardest to be safe.
Conclusion
Toilet paper isn’t something most of us thought we’d have to “audit” for safety. Discovering its role in the broader PFAS problem is just one more concern in an already complex global picture. But it’s important to remember this is only one piece of a much larger puzzle.
The most balanced advice is simple: don’t panic, but stay informed. Switching your household’s toilet paper won’t solve the global chemical issue, but it can reduce your personal contribution. Choosing simpler, less processed products is a classic “low effort, high reward” move. Small changes, multiplied across millions of households, can influence the market over time.
Meanwhile, even a little awareness goes a long way toward keeping both your home and the world a bit cleaner.
