Stayfree Review, Is Stayfree Non-Toxic?
Stayfree averages 34 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Stayfree products graded as of October 2026, and none of them reach its 70 point pass mark.
Stayfree grades Poor 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.
You may also be interested in
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.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- 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
- 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 Stayfree have PFAS, by category
Which Stayfree products contain PFAS? Poor and Bad, we’d swap these
- absorbent core, plastic backing (unspecified)
- We found no PFAS statement from the brand
- Plastic backing composition and leachables. The unspecified plastic layer could release trace monomers or…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- nonwoven polypropylene, absorbent core, waterproof backing layer (unspecified composition)
- We found no PFAS statement from the brand
- PFAS. Waterproof backing composition is unspecified by Stayfree; PFAS chemicals are used by some pad…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Nonwoven synthetic fibers with waterproof backing, coating unspecified
- We found no PFAS statement from the brand
- PFAS. Unspecified waterproof backing strongly suggests Teflon-family coating or fluorochemical treatment…
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Nonwoven polymer, waterproof backing (unspecified treatment)
- We found no PFAS statement from the brand
- Waterproof backing leachables (unspecified chemistry). The waterproof treatment is not disclosed by the…
What to buy instead Good or better, in the categories Stayfree sells
- organic cotton, wood pulp
- The brand calls it PFAS-free, which we have not verified
- Fragrance allergen content
- cellulose, cotton blend, absorbent core
- We found no PFAS statement from the brand
- Bleach residues and processing chemicals in cellulose
3 hazards checked on this product, all on its full breakdown.
- Cotton, wood pulp absorbent core, plastic backing
- Pesticide residue
2 hazards checked on this product, all on its full breakdown.
Stayfree and PFAS, common questions
- Does Stayfree have PFAS?
- Stayfree averages 34 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Stayfree 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 Stayfree non-toxic?
- No Stayfree product we graded reaches Good. The best of them is Stayfree Ultra Thin Pads Regular at 60/100.
- Which Stayfree products should I avoid?
- The lowest-graded Stayfree products we have scored are Stayfree Ultra Thin Super Long Pads with Wings, Stayfree Pads Ultra Thin Regular Wings, Stayfree Ultra Thin Overnight Pads with Wings. Each one links to the evidence behind its grade.
Every grade uses the same public rubric. How grades work →