Non-Toxic Menstrual Cups, ranked by PFAS grade
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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.
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.
All 16 menstrual cups PFAS Authority has graded reach its 70 point pass mark for PFAS and other toxins, as of October 2026. The highest graded is Diva Cup DivaCup Model 0 at 100 out of 100.
The full ranking is below, best-graded first, with every score linking to the evidence behind it.
Are menstrual cups safe?
16 of the 16 menstrual cups we graded come back low-concern on our screen and 0 do not. Our grades are model-based assessments built from published materials, ingredient lists, certifications and brand disclosures, not laboratory tests, so they say what we can evidence rather than that anything is safe.
Best graded menstrual cups here
- 1Diva Cup DivaCup Model 0 100 out of 100
- 2DIVA Cup Model 2 70 out of 100
- 3Diva Cup #1 Pre-Childbirth 70 out of 100
Start here
The best non-toxic menstrual cups, ranked by grade
Buyer’s guide
What to look for in menstrual cups, and which brands grade best and worst
Menstrual Cups, ranked.
The quickest read, what to skip and the top-graded picks worth buying instead.
Saalt
Package Free Shop Soft Menstrual Cup Duo Pack
Lower PFAS concern due to silicone, but brand transparency on PFAS is absent.
Diva Cup
Model 2
Lower concern. Medical-grade silicone with no Teflon-family coating coatings reported.
Diva Cup
DivaCup Model 0
Lower concern. Medical-grade silicone with third-party PFAS verification.
Why Diva Cup DivaCup Model 0 wins, and what it beats
Every grade on this page is one sum. A category starts from a baseline, each disclosed material or coating adds risk points, and each thing the brand or a third party has published takes them away. Below is that sum for the winner, then for 1 product it beats, so you can see exactly where the 30 points between the top and the bottom of this menstrual cups ranking come from.
The winner
Made of medical-grade silicone.
- +10Category baseline. The starting point for this type of product, before anything specific to this product is counted.
- -10Base material not linked to PFAS. The main material recorded for this product is not one associated with PFAS.
- -30Third-party PFAS-free verification. A third party reports verifying this product as PFAS-free.
- -40No PFAS found in lab test. No PFAS detected in independent testing.
What the grade does not fix. Nothing specific to this product adds risk, so what remains is the category baseline that every product here starts from, and our graders recorded 3 other hazards on it. See the full breakdown.
What it beats, and why
What puts it behind. No PFAS disclosure, +15 points. No public statement from the brand about PFAS in this product. The winner carries no such factor.
Made of Medical-grade silicone.
- +25Category baseline
- +15No PFAS disclosure
- -10Base material not linked to PFAS
30risk points, a grade of 70
No product on this page was physically tested by us. Every number above comes from published materials, ingredient and coating disclosures, certifications and brand statements, scored on one public rubric. Formulations change without notice, so check the current product listing before buying.
Which menstrual cups are PFAS-free? Good or Excellent, best-graded first
- medical-grade silicone
- A third party reports verifying it as PFAS-free
- Silicone degradation or leaching from improper cleaning agents
3 hazards checked on this product, all on its full breakdown.
- Medical-grade silicone (body); no Teflon-family coating coatings reported
- We found no PFAS statement from the brand
- Silicone degradation and surface microtearing
3 hazards checked on this product, all on its full breakdown.
- Medical-grade silicone (body); no reported coatings or treatments
- We found no PFAS statement from the brand
- Biofilm and bacterial growth (maintenance-dependent)
4 hazards checked on this product, all on its full breakdown.
- Medical-grade silicone
- We found no PFAS statement from the brand
- Bacterial or mold colonization from poor maintenance
2 hazards checked on this product, all on its full breakdown.
- Medical-grade silicone, no added Teflon-family coating
- We found no PFAS statement from the brand
- Residual manufacturing compounds / silicone impurities
2 hazards checked on this product, all on its full breakdown.
- Medical-grade silicone
- We found no PFAS statement from the brand
- Bacterial or fungal colonization
2 hazards checked on this product, all on its full breakdown.
- Medical-grade silicone (primary); no reported Teflon-family coating or Teflon-type coating
- We found no PFAS statement from the brand
- Bacterial colonization or biofilm growth
3 hazards checked on this product, all on its full breakdown.
- Medical-grade silicone
- We found no PFAS statement from the brand
- Bacterial or mold colonization from improper storage or cleaning
4 hazards checked on this product, all on its full breakdown.
- Medical-grade silicone
- We found no PFAS statement from the brand
- Bacterial and fungal growth
2 hazards checked on this product, all on its full breakdown.
- Medical-grade silicone (primary); no reported coatings
- We found no PFAS statement from the brand
- Silicone degradation over time
4 hazards checked on this product, all on its full breakdown.
- Medical-grade silicone
- We found no PFAS statement from the brand
- Silicone degradation and particle shedding
2 hazards checked on this product, all on its full breakdown.
- Medical-grade silicone
- We found no PFAS statement from the brand
- Silicone degradation and particulate shedding
4 hazards checked on this product, all on its full breakdown.
- medical-grade silicone
- We found no PFAS statement from the brand
- Bacterial or fungal contamination
3 hazards checked on this product, all on its full breakdown.
- Medical-grade silicone (body-contact surface)
- We found no PFAS statement from the brand
- Bacterial or fungal biofilm growth on cup surface
3 hazards checked on this product, all on its full breakdown.
- Medical-grade silicone (body); no disclosed coatings
- We found no PFAS statement from the brand
- Bacterial or mold colonization
3 hazards checked on this product, all on its full breakdown.
- Medical-grade silicone
- We found no PFAS statement from the brand
- Heavy metals
3 hazards checked on this product, all on its full breakdown.
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