Reiss Review, Is Reiss Non-Toxic?
Reiss averages 59 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 Reiss products graded as of October 2026, and none of them reach its 70 point pass mark.
Reiss 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.
Does Reiss have PFAS, by category
Graded and flagged Poor and Bad, we’d swap these
Reiss
Delta Mesh-Insert Halterneck Swimsuit
- Nylon/polyamide mesh insert and swimsuit fabric
- We found no PFAS statement from the brand
- Heavy metals, The halterneck design suggests color dyeing of the nylon. Azo dyes are not banned in EU or US…
3 hazards checked on this product. See all of them.
Reiss
Janina Polka- Dot Bandeau Bikini Top
- Nylon/polyamide blend with elastane
- We found no PFAS statement from the brand
- Azo dyes in synthetic colorants, Polka-dot print requires colorfast dyes; nylon readily accepts azo dyes…
4 hazards checked on this product. See all of them.
Reiss
Lucia Floral-Print Halterneck Swimsuit
- polyamide (nylon) or elastane blend swimwear
- We found no PFAS statement from the brand
- Heavy metals, Floral-print dyes could theoretically contain restricted azo dyes or trace heavy metals (lead…
4 hazards checked on this product. See all of them.
Reiss
Maya Plunge Halterneck Swimsuit
- nylon/polyamide blend (typical swimwear)
- We found no PFAS statement from the brand
- Formaldehyde / VOCs, Nylon swimwear may contain trace formaldehyde-based resins used for shrinkage control or…
2 hazards checked on this product. See all of them.
Reiss
Men's Geometric-Print Swim Shorts
- Polyester swim short (likely uncoated)
- We found no PFAS statement from the brand
- Azo dyes and colorant migration, Geometric-print polyester swim shorts rely on surface dyeing; non-reactive…
3 hazards checked on this product. See all of them.
Reiss
Women's Imogen Hardware-Strap Cut-Out Swimsuit
- nylon/polyester blend (standard swimwear)
- We found no PFAS statement from the brand
- Azo dyes and color fastness, Synthetic swimwear relies on azo or reactive dyes. Reiss does not disclose dye…
3 hazards checked on this product. See all of them.
Reiss
Women's Luna Underwire Bandeau Cutout Swimsuit
- Nylon, spandex blend (typical swimsuit construction)
- We found no PFAS statement from the brand
- Azo dyes and colorant toxicity, Nylon swimwear is typically dyed with synthetic dyes; some azo dyes can…
3 hazards checked on this product. See all of them.
Reiss
Women's Nadine Halterneck Pleat-Detail Swimsuit
- Nylon/polyester blend with likely water-repellent coating finish
- We found no PFAS statement from the brand
- Azo dyes and synthetic colorants in nylon/polyester, Nylon and polyester swimwear are typically dyed with…
5 hazards checked on this product. See all of them.
What to buy instead Good or better, in the categories Reiss sells
Patagonia
Women's Bottom Turn Racerback Bikini Top
- Nylon/polyester blend with elastane (standard swimwear)
- The brand calls it PFAS-free, which we have not verified
- Elastane (spandex) degradation under heat or chlorine
Reiss and PFAS, common questions
- Does Reiss have PFAS?
- Reiss averages 59 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 Reiss 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 Reiss non-toxic?
- No Reiss product we graded reaches Good. The best of them is Reiss Delta Mesh-Insert Halterneck Swimsuit at 65/100.
- Which Reiss products should I avoid?
- The lowest-graded Reiss products we have scored are Reiss Women's Nadine Halterneck Pleat-Detail Swimsuit, Reiss Women's Luna Underwire Bandeau Cutout Swimsuit, Reiss Women's Imogen Hardware-Strap Cut-Out Swimsuit. Each one links to the evidence behind its grade.
Every grade uses the same public rubric. How grades work →