Non-Toxic Panty Liners, 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.
13 of the 15 panty liners PFAS Authority has graded score below its 70 point pass mark for PFAS and other toxins, 86.7% of the category, as of October 2026, leaving 2 that pass. The highest graded is Kotex Core Daily Wrapped Liners at 70 out of 100.
The full ranking is below, best-graded first, with every score linking to the evidence behind it.
Are panty liners safe?
2 of the 15 panty liners we graded come back low-concern on our screen and 13 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 panty liners here
- 1Kotex Core Daily Wrapped Liners 70 out of 100
- 2Kotex Wrapped Liners 70 out of 100
- 3Always Daily Protect Multi-Style Regular Length Unscented Panty Liners (108 ct) 25 out of 100
Start here
The best non-toxic panty liners, ranked by grade
Buyer’s guide
What to look for in panty liners, and which brands grade best and worst
Panty Liners, ranked.
The quickest read, what to skip and the top-graded picks worth buying instead.
Carefree
Original Regular
Don't buy until the brand reveals the coating material; period pads often use waterproof treatments containing PFAS.
Kotex
Core Daily Wrapped Liners
Lower PFAS concern; standard period-liner materials without disclosed water-resistance treatment.
Why Kotex Core Daily Wrapped Liners 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 45 points between the top and the bottom of this panty liners ranking come from.
The winner
Made of cotton, rayon, adhesive (nonwoven blend).
- +25Category baseline. The starting point for this type of product, before anything specific to this product is counted.
- +15No PFAS disclosure. No public statement from the brand about PFAS in this product.
- -10Base material not linked to PFAS. The main material recorded for this product is not one associated with PFAS.
30risk points in total, which is a grade of 70
What the grade does not fix. It still carries one risk factor, No PFAS disclosure, and our graders recorded 4 other hazards on it. See the full breakdown.
What it beats, and why
What puts it behind. Waterproof / stain-resistant treatment, +35 points. Water-repellent coating treatments have historically used PFAS. The winner carries no such factor.
Made of Nonwoven/cellulose core with adhesive and waterproof backing (coating unspecified).
- +35Waterproof / stain-resistant treatment
- +25Category baseline
- +15No PFAS disclosure
75risk points, a grade of 25
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 panty liners are PFAS-free? Good or Excellent, best-graded first
- cotton, rayon, adhesive (nonwoven blend)
- Synthetic adhesive leachables
4 hazards checked on this product, all on its full breakdown.
- Cellulose/cotton absorbent core with adhesive backing
- Adhesive skin contact sensitization
2 hazards checked on this product, all on its full breakdown.
Which panty liners contain PFAS? Poor and Bad, we’d swap these
- Nonwoven/cellulose core with adhesive and waterproof backing (coating unspecified)
- PFAS
3 hazards checked on this product, all on its full breakdown.
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- nonwoven fibres with water-resistant topsheet coating (unspecified)
- Water-resistant coating composition (unspecified chemistry)
2 hazards checked on this product, all on its full breakdown.
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- Nonwoven polypropylene backing with moisture barrier coating (composition unspecified)
- PFAS
3 hazards checked on this product, all on its full breakdown.
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- Absorbent core (likely rayon/SAP); adhesive/waterproof backing (unspecified)
- We found no PFAS statement from the brand
- PFAS
3 hazards checked on this product, all on its full breakdown.
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- nonwoven polypropylene with unspecified water-resistant coating
- We found no PFAS statement from the brand
- PFAS
3 hazards checked on this product, all on its full breakdown.
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- Nonwoven synthetic blend with waterproof backing layer
- Teflon-type coating or fluorinated polymer fume/leaching (undisclosed waterproof coating)
3 hazards checked on this product, all on its full breakdown.
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- Cotton/synthetic blend with waterproof/moisture-wicking coating (unspecified chemistry)
- PFAS
3 hazards checked on this product, all on its full breakdown.
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- Moisture-wicking synthetic blend with unspecified waterproof/absorbent coating
- Coating degradation and leachate release
2 hazards checked on this product, all on its full breakdown.
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- Cotton blend with waterproof gusset coating (unspecified)
- PFAS
3 hazards checked on this product, all on its full breakdown.
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- nonwoven synthetic layers with undisclosed waterproof/moisture-barrier coating
- We found no PFAS statement from the brand
- Undisclosed waterproof coating composition
4 hazards checked on this product, all on its full breakdown.
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- nonwoven synthetic blend with waterproof backing layer (composition unspecified)
- We found no PFAS statement from the brand
- Waterproof coating material (unidentified)
4 hazards checked on this product, all on its full breakdown.
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- nonwoven synthetic blend with moisture barrier (composition not fully disclosed)
- We found no PFAS statement from the brand
- PFAS
- Nonwoven synthetic cellulose with adhesive backing; waterproof outer layers
- We found no PFAS statement from the brand
- PFAS
3 hazards checked on this product, all on its full breakdown.
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