Thinx agreed to a $4 million settlement to resolve a class action lawsuit claiming its period underwear is made with dangerous chemicals linked to serious health concerns. No proof of purchase is required for class members to submit a claim.

Plaintiffs in the Thinx class action lawsuit accused the period underwear manufacturer of adding dangerous polyfluoroalkyl substances (PFAS) to its products. PFAS chemicals are used due to their non-stick and water-resistant qualities but may cause serious health problems, including cancer.

Thinx is a brand that sells a number of menstrual and incontinence solutions including period underwear.

Thinx hasn’t admitted any wrongdoing but agreed to a $4 million class action lawsuit settlement to resolve these allegations.

Table of Contents

Thinx Underwear Chemicals Class Action Lawsuit

Who’s Eligible:
- Consumers who purchased certain Thinx period underwear between Nov. 12, 2016, and Nov. 28, 2022.
- The settlement covers Cotton Brief, Cotton Bikini, Cotton Thong, Sport, Hiphugger, Hi-Waist, Boyshort, French Cut, Cheeky and Thong style Thinx underwear products.
Estimated Amount:
- $21 with proof of purchase or $10.50 without proof of purchase.
Proof of Purchase: Receipts or other proof of purchase will result in larger cash payments.
Claim Form Deadline: 04/12/2023
Case Name & Number:
- Dickens, et al. v. Thinx Inc., Case No. 1:22-cv04286-JMF, in the U.S. District Court for the Southern District of New York
How to file a claim:
- Head over to the Claim Form.
- Read over the claim form to see if you are eligible.
- Complete the claim form with your info.
- Submit your claim form to receive your potential award!

File a Claim

(Click here to file a claim)

Bottom Line

Don’t forget to take a look at our full list of Class Action Lawsuit Settlements! Be sure to give our list of No-Proof Class Action lawsuit to see other settlements you may qualify for.