Onia averages 54 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 Onia products graded as of October 2026, and none of them reach its 70 point pass mark.
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Onia grades Good on our four-band scale. On disclosure, the brand says nothing publicly about PFAS. See what every brand has published about PFAS for how that compares.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
Onia averages 54 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 Onia products graded as of October 2026, and none of them reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
Is Onia non-toxic?
No Onia product we graded reaches Good. The best of them is $175 Onia Black Michelle One Piece Swimsuit Small Ymy1223 at 65/100.
Which Onia products should I avoid?
The lowest-graded Onia products we have scored are Onia Rachel Watercolor Stripe Scoop Back Swimsuit, Onia Two-Tone Swimsuit, Onia New Black One Piece Swimsuit - New Women. Each one links to the evidence behind its grade.
