The Thinx Period Underwear Lawsuit: What You Need to Know

A class action lawsuit was settled by the brand alleging that its products contained potentially dangerous chemicals.

Courtesy of Thinx

Courtesy Thinx

Thinx, period underwear Brand reached settlement in class action lawsuit involving allegations that its products could contain harmful chemicals.

According to the lawsuit third-party testing revealed that short chain per-and Polyfluoroalkyl substances (known collectively as PFAS and Agion) were found in Thinx’s products. This is important because Thinx has always marketed its products to be sustainable and non-toxic.

While Thinx denies the allegations made in the lawsuit and claims PFAS were never part of its product design, news of the lawsuit — brought into the spotlight this week after the official settlement website was created — is raising questions about the chemicals and whether or not consumers should be concerned.

Scroll down to find out more information about PFAS, and the Thinx lawsuit regarding period underwear.

What are PFASs?

PFAS stands per- and polyfluoroalkyl compounds. These chemicals are widely used and long-lasting, and there are many of them according to the Environmental Protection Agency (EPA). They are sometimes called “forever chemicals” because they take a long time to break down and can be found in bloodstreams of animals and people. Man-made PFAS have been present since the 1940s and can be found in food products, the atmosphere, and consumer products at low levels.

The EPA says that although their widespread use seems alarming, it is also why it is difficult to study them and determine how dangerous they are to people and the environment. Even experts have questions about PFAS. They are difficult to detect, they can be harmful to the environment and they can be managed and disposed of.

Although more research is required, there are studies that link PFAS to health effects. These include fertility issues, an increased risk of certain cancers, and interferences with hormones.

Why is Thinx in a suit?

According to the, Thinx has been served at least three lawsuits in relation to Thinx since 2020. Class Action. The brand claims its period underwear are non-toxicThird-party testing revealed that the products contained PFAS. Thinx also discovered Agion in its underwear. This is an odor-reducing agent that is made from silver nanoparticles as well as copper nanoparticles.

Which settlement was Thinx in?

Thinx has agreed that it will pay up to $5 Million to settle the class-action lawsuit known as Dickens, et al. Thinx Inc. According to the settlement website, the deal was approved by the court preliminary on November 28, 2022. It covers those who purchased Thinx period wear in a variety styles (Cotton Briefs, Cotton Bikini and Cotton Thong), between November 12, 2016, and November 28, 2022.

To receive a credit or refund, you can submit an online claim if you have purchased any of the Thinx styles of Thinx underwear within the specified timeframe.

Thinx also agreed to ensure that PFAS are not intentionally added to its products. Suppliers will be required to sign an agreement attesting that PFAS were not added to the raw materials used in making the underwear. Thinx must also share information about the use of antimicrobial treatments such as Agion on its website.

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