55Good

Summersalt Review, Is Summersalt Non-Toxic?

The verdict
Summersalt averages 55 out of 100 on PFAS Authority's PFAS and toxin screen across the 9 Summersalt products graded as of October 2026, and none of them reach its 70 point pass mark.
Free to quote with attribution to PFAS Authority and a link to pfasauthority.com/brands/summersalt.

Summersalt 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.

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Top-graded picks in the categories readers replace first, every one scored on the same rubric.

  • polypropylene filter housing, carbon/sediment cartridge
  • We found no PFAS statement from the brand
  • Bacterial growth in spent cartridges

3 hazards checked on this product, all on its full breakdown.

  • RO membrane, carbon filters, stainless steel housing
  • We found no PFAS statement from the brand
  • Bacterial and microbial growth in housing and filters

4 hazards checked on this product, all on its full breakdown.

Avocado Vegan Mattress

Avocado

Vegan Mattress

100ExcellentPFAS grade
✓ MADE SAFE Certified✓ Global Organic Textile Standard (GOTS)
  • organic cotton, natural latex, coconut coir, recycled steel coils
  • The brand calls it PFAS-free, which we have not verified
  • Heavy metals

2 hazards checked on this product, all on its full breakdown.

Does Summersalt have PFAS, by category

Which Summersalt products contain PFAS? Poor and Bad, we’d swap these

Summersalt Plus Size Sidestroke Swimsuit

Summersalt

Plus Size Sidestroke Swimsuit

65GoodPFAS grade
  • Nylon/polyester blend (standard swimwear knit)
  • We found no PFAS statement from the brand
  • Heavy metals. No testing data published by Summersalt. Nylon/polyester swimwear routinely uses reactive or…

3 hazards checked on this product, all on its full breakdown.

Find an alternative on Amazon
  • nylon/polyester blend swimsuit fabric
  • We found no PFAS statement from the brand
  • Heavy metals. Nylon and polyester swimwear commonly use metal-complex dyes (e.g., chromium, copper) to…

3 hazards checked on this product, all on its full breakdown.

Find an alternative on Amazon
  • Nylon/spandex blend swimsuit fabric
  • We found no PFAS statement from the brand
  • Azo dyes in fabric colorants. Nylon swimwear is typically acid-dyed; no public evidence that Summersalt uses…

4 hazards checked on this product, all on its full breakdown.

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  • Nylon/polyester blend with elastane
  • We found no PFAS statement from the brand
  • Azo dyes and synthetic dye residues. The blue and white colorants are not disclosed by brand. Most swimwear…

3 hazards checked on this product, all on its full breakdown.

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Summersalt Sidestroke

Summersalt

Sidestroke

65GoodPFAS grade
  • Swimwear fabric (likely nylon/spandex blend)
  • We found no PFAS statement from the brand
  • Azo dyes in synthetic fibers. Nylon and spandex swimwear may contain azo dyes for color. Certain azo dyes are…

4 hazards checked on this product, all on its full breakdown.

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Summersalt DreamDrape Sidestroke

Summersalt

DreamDrape Sidestroke

65GoodPFAS grade
  • Cotton/linen blend fabric (standard weave)
  • We found no PFAS statement from the brand
  • Formaldehyde / VOCs. Cotton and linen textiles may be treated with formaldehyde-based dyes or sizing agents…

5 hazards checked on this product, all on its full breakdown.

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Summersalt Surf

Summersalt

Summersalt Surf

65GoodPFAS grade
  • Recycled polyester and nylon blend (swim/athletic wear)
  • We found no PFAS statement from the brand
  • Heavy metals. Recycled polyester swimwear typically undergoes re-dyeing; no public testing of Summersalt Surf…

5 hazards checked on this product, all on its full breakdown.

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  • Nylon/polyamide blend with water-repellent coating (water-repellent coating) finish
  • We found no PFAS statement from the brand
  • PFAS, water-repellent coating coatings on nylon swimwear are commonly formulated with PFAS-based chemistry…

3 hazards checked on this product, all on its full breakdown.

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Summersalt Women's Sidestroke One Piece Swimsuit

Summersalt

Women's Sidestroke One Piece Swimsuit

20BadPFAS grade
  • Nylon blend with water-repellent coating (water-repellent coating) finish
  • We found no PFAS statement from the brand
  • Formaldehyde / VOCs. Some water-repellent coating and elastane-stabilizing treatments historically included…

3 hazards checked on this product, all on its full breakdown.

Find an alternative on Amazon

What to buy instead Good or better, in the categories Summersalt sells

Patagonia Women's Bottom Turn Racerback Bikini Top

Patagonia

Women's Bottom Turn Racerback Bikini Top

90ExcellentPFAS grade
  • 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

Summersalt and PFAS, common questions

Does Summersalt have PFAS?
Summersalt averages 55 out of 100 on PFAS Authority's PFAS and toxin screen across the 9 Summersalt 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 Summersalt non-toxic?
No Summersalt product we graded reaches Good. The best of them is Summersalt Plus Size Sidestroke Swimsuit at 65/100.
Which Summersalt products should I avoid?
The lowest-graded Summersalt products we have scored are Summersalt Women's Sidestroke One Piece Swimsuit, Summersalt Women's Swim Summersalt Sidestroke One Piece Swimsuit, Summersalt Surf. Each one links to the evidence behind its grade.

Every grade uses the same public rubric. How grades work →