Ingredient
Proprietary Moisture-Wicking Lining
Flagged in 1
Scout's take
Composition is not publicly disclosed. In 2020 independent testing detected per- and polyfluoroalkyl substances (PFAS / forever chemicals) and silver nanoparticles in the gusset, leading to a $4 million class-action settlement in 2022. Thinx claims post-settlement reformulation but has not published independent third-party test results to substantiate this.
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