
A Thinx billboard is pictured in New York Metropolis in September 2021. The corporate is accused of deceptive customers concerning the security of its interval underwear, however denies all allegations and admits no wrongdoing.
Eugene Gologursky/Getty Photos for Thinx
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Eugene Gologursky/Getty Photos for Thinx

A Thinx billboard is pictured in New York Metropolis in September 2021. The corporate is accused of deceptive customers concerning the security of its interval underwear, however denies all allegations and admits no wrongdoing.
Eugene Gologursky/Getty Photos for Thinx
When you dwell within the U.S. and purchased Thinx underwear not too long ago, you could possibly quickly be getting some a refund.
That is as a result of the interval panty model has simply settled a class-action lawsuit alleging that its merchandise — lengthy marketed as a safer, extra sustainable method to menstrual hygiene — comprise probably dangerous chemical substances.
Plaintiffs say third-party testing on the underwear revealed the presence of quick chain per-and polyfluoroalkyl substances (PFAS), human-made chemical substances which are discovered in lots of client and industrial merchandise, don’t simply break down and have been linked to antagonistic well being results. They usually’re accusing the corporate of fraud and different misleading practices in consequence.
“By way of its uniform, widespread, nationwide promoting marketing campaign, [Thinx] has led customers to consider that Thinx Underwear is a protected, wholesome and sustainable selection for girls, and that it is freed from dangerous chemical substances,” the grievance filed in Might 2022 mentioned. “In actuality, Thinx Underwear incorporates dangerous chemical substances … that are a security hazard to the feminine physique and the setting.”
Thinx denies these allegations, with an organization spokesperson telling NPR in an e-mail that PFAS have by no means been a part of its product design and that it’ll proceed to take measures to make sure the chemical substances aren’t added to its merchandise.
“The litigation in opposition to Thinx has been resolved, the settlement will not be an act of contrition or wrongdoing by Thinx, and we deny all allegations made within the lawsuit,” the spokesperson added.
The U.S. District Court docket for the Southern District of New York gave the settlement its preliminary approval in December, greater than two years after the litigation started (this case combines two current lawsuits filed in Massachusetts and California).
Class members have been notified of the settlement this week. As a part of it, Thinx has dedicated to paying as much as $5 million to offer reimbursement in addition to making some adjustments to its advertising and manufacturing processes.
Anybody who purchased Thinx underwear between Nov. 12, 2016, and Nov. 28, 2022, can submit a declare on-line earlier than mid-April to decide on between money reimbursement for as much as three pairs of bought underwear at $7 every or a voucher for 35% off a single buy of as much as $150 (for a most low cost of $52.50).
Thinx may also take steps to make sure that PFAS aren’t deliberately added to its underwear at any stage of manufacturing and regulate a few of its advertising language, together with disclosing the usage of antimicrobial remedies. It’ll additionally proceed to have suppliers of uncooked supplies signal a code of conduct and settlement testifying that PFAS aren’t being deliberately added to Thinx underwear.
Erin Ruben, an legal professional who represents a number of of the plaintiffs, advised NPR in a cellphone interview that she and her purchasers are happy with the phrases of the settlement and joyful that the case has introduced consciousness to the problem of PFAS in client merchandise.
“When customers demand transparency associated to those points, I believe that companies don’t have any selection however to hear,” Ruben added. “And so it is my hope that as customers turn into extra conscious of the chemical substances which are current within the merchandise that they use day-after-day, that they use their voice to let companies know that it is not one thing that they need.”
The lawsuit would not accuse the product of inflicting hurt
Ruben stresses that the case is about the best way Thinx marketed its product, not the potential well being results of it.
“The plaintiffs on this case introduced their claims as a result of … the presence of PFAS or different chemical substances within the underwear would affect their buying resolution,” she mentioned. “This case is centered on advertising considerations, and didn’t allege any claims associated to private damage ensuing from the product.”
The lawsuit alleges that Thinx makes use of PFAS chemical substances to “improve the efficiency of the underwear, together with, however not restricted to, its ‘moisture-wicking’ and ‘leak-resisting’ qualities.”
It explains that the 1000’s of PFAS chemical substances in existence are all categorized both as “long-chain” or “short-chain,” based mostly on whether or not they comprise fewer or greater than eight carbon atoms.
Lengthy-chain chemical substances — generally referred to as “eternally chemical substances” — have been recognized to trigger unfavourable well being results and have been phased out of use within the U.S., the go well with says, including that short-chain chemical substances are getting used as replacements within the attire trade.
That is even supposing there are not any long-term research to point out whether or not they’re any safer for customers, and that there’s even some proof of them posing related well being dangers, it says. And the usage of PFAS additionally contradicts the corporate’s personal commercials for its merchandise, the plaintiffs allege.
Based on the grievance, Thinx mentioned in a number of locations on its web site that its underwear was rigorously examined and freed from dangerous chemical substances, even claiming that the chemical compounds utilized in its anti-odor layer “keep on the floor of the underwear and do not journey into your physique.”
These claims have been repeatedly disputed, nevertheless (and vanished from its web site round Might 2021, in keeping with the lawsuit).
In 2020, reporter Jessica Choy despatched a number of pairs of Thinx underwear to a College of Notre Dame laboratory, which discovered excessive ranges of fluorine and concluded that the underwear contained PFAS. She detailed these findings in an article for Sierra (the Sierra Membership journal).
Then-Thinx CEO Maria Molland launched an announcement after the article’s publication reiterating the corporate’s strict testing requirements. Molland mentioned the corporate had engaged a toxicologist to evaluate these findings, who confirmed there have been “no detectable long-chain PFAS chemical substances” within the merchandise (the lawsuit alleges that assertion misrepresented the testing and outcomes, additional deceptive clients).
Nicole Dickens, the plaintiff who first filed the New York grievance, heard about studies of chemical substances in Thinx underwear round November 2020, courtroom paperwork say. She stopped shopping for the underwear and sought unbiased third-party testing, which discovered “short-chain PFAS chemical substances in Thinx underwear at materials and above hint quantities.”
A rising physique of analysis hyperlinks PFAS publicity to well being results
PFAS have been utilized in client and trade merchandise for the reason that Forties, showing in issues like nonstick cookware, water repellent clothes, some firefighting foams and sure cosmetics.
Folks may be uncovered to PFAS in a wide range of methods, together with by consuming contaminated water and consuming meals that is both grown close to locations that use PFAS or packaged in materials that incorporates them.
PFAS can get into soil, water and air throughout manufacturing and use, and since these chemical substances don’t break down, they continue to be within the setting.
“Due to their widespread use and their persistence within the setting, PFAS are discovered within the blood of individuals and animals everywhere in the world and are current at low ranges in a wide range of meals merchandise and within the setting. Some PFAS can construct up in individuals and animals with repeated publicity over time,” the Facilities for Illness Management and Prevention says.
Scientists are nonetheless working to grasp the precise results of PFAS publicity, however a rising physique of proof is linking it to dangerous well being outcomes.
Research recommend that top ranges of sure PFAS could result in elevated levels of cholesterol, adjustments in liver enzymes, decreases in toddler beginning weights, elevated threat of hypertension in pregnant individuals and elevated threat of kidney or testicular most cancers, in keeping with the CDC’s Company for Poisonous Substances and Illness Registry.
The CDC has additionally acknowledged that top ranges of publicity could affect the immune system by suppressing the antibody response to vaccines — of specific concern throughout a world pandemic — and is working to grasp how publicity could have an effect on sickness from COVID-19.
When you’ve been uncovered to PFAS and are involved about your well being, the CDC suggests chatting with your physician or taking a blood check, however cautions that it is “unclear what the outcomes imply when it comes to attainable well being results.”
What occurs subsequent?
That is the window of time the place customers can be taught concerning the settlement and resolve whether or not they wish to be part of it, Ruben explains.
They will both make a declare for reimbursement or exclude themselves from the category, in the event that they wish to decide out of the settlement and pursue their very own particular person case at a later time.
The benefit of becoming a member of a class-action settlement is that it would not come at any price to customers — whereas somebody trying to litigate on a person foundation must retain an legal professional and undergo that course of once more, Ruben says.
It isn’t clear what number of members are within the class, although the Might grievance says “not less than 1000’s” of individuals might be affected nationwide.
Ruben says legal professionals will discover out simply how many individuals have made claims underneath the settlement someday earlier than the listening to for closing approval, which is scheduled for Might 24.
Ruben is engaged on different instances associated to PFAS in merchandise and thinks it will likely be a continued space of observe.
“I believe that it is exhibiting no indicators of slowing down as a result of … customers are expressing to us that they actually do care about these points,” she provides.