The Bamboo Factor: While bamboo itself is considered a miracle crop because of its incredible growth rate and low water requirements, once the bamboo is cut, it must then be processed into soft, white paper. The safety of the finished product, however, rests entirely in the idea of a “closed-loop” factory. If the company uses harsh chemical solvents or even elemental chlorine to leach the difficult bamboo fibers, then we’re right back to square one. To get the full benefits of bamboo, we must find companies that emphasize mechanical processing over chemical-based techniques.
How to shop smarter: Products to watch
But when it comes time to fill the bathroom, things get a little fuzzy. While the peer-reviewed studies cited in this conversation so far haven’t mentioned any specific brands, further independent tests have tried to fill in those blanks.
It is, of course, absolutely essential to take these results with a grain of salt, as most of these tests are merely a series of spot checks, not exhaustive tests of a wide variety of brands. Take, for instance, a 2023 report conducted by Mamavation, in partnership with Environmental
News, where 17 different products were sent to an EPA-certified lab to test for total fluorine, a chemical which is a common indicator of PFAS.
The levels found were generally low, in the range of 10 to 35 parts per million, which Environmental Health News indicates is a level at which these chemicals are “unlikely to be added on purpose, but are instead accidental contaminants from the manufacturing process.”
The “caution list” from limited testing
Within that particular screen of 17 brands, four of these products were shown to have detectable levels of fluorine. This doesn’t mean all rolls of these brands have fluorine in them; however, it is a reminder of how contamination can seep in.
Charmin Ultra Soft: As a major conventional brand, it is placed in this category based on those initial screening tests.
Seventh Generation 100% Recycled: Even green-rated brands are not spared. The company notes that because they use recycled paper, there’s a chance that any impurities in the original source material (such as old inks or coatings) may be found in their final product, too.