The Best Non-Toxic Slow Cooker Liners of 2026
We scored 15 slow cooker liners for PFAS forever chemicals and other hazards, then ranked them safest first. The top pick is If You Care Slow Cooking Liners at 100/100. Every score below links to the full breakdown of what earned it.
93% of the 15 slow cooker liners we scored fail our PFAS and toxin screen.
The safest PFAS-free slow cooker liners we have scored
- 1
If You Care
Slow Cooking Liners
Unbleached parchment paper
PFAS Grade100ExcellentOverall Grade88Excellent⏳70Thermal degradation and smoke at high heat
Limited concern
⚠️70Mold or bacterial growth if stored wet or damp
Limited concern
🍂70Adhesion failure and paper fragments in food
Limited concern
Lower-concern option; parchment with verified PFAS-free certification.
✓ MADE SAFE Certified⚠Risky category by default
The slow cooker liners we would skip
Lowest scoring in this category, worst first.
Reynolds
Kitchens Slow Cooker Liners
Plastic/polymer liner with unspecified nonstick or release coating
Polymer thermal degradation and leaching
Limited concern
Nonstick coating leaching (Teflon-type coating/fluorinated alternatives)
Limited concern
Microplastics
Limited concern
Unlabeled additives in coating formulation
Moderate concern
Skip until Reynolds confirms coating details and PFAS status.
⚠Nonstick, coating undisclosed
Reynolds
Slow Cooker Liners
Plastic film liner (composition unspecified)
Plasticizer and additive migration
Limited concern
Microplastics
Limited concern
Unidentified additives (opacity agents, stabilizers)
Limited concern
Flame retardants
Moderate concern
Skip; zero material transparency prevents risk assessment.
⚠Nonstick, coating undisclosed
Crock-Pot
Kitchen Slow Cooker Liner
nylon or polyester liner with unspecified coating
Teflon-type coating fume risk (from unspecified nonstick coating)
Limited concern
Microplastic or fiber shedding
Limited concern
Coating delamination or degradation over time
High concern
PFAS
High concern
Skip until Crock-Pot discloses coating chemistry.
⚠Nonstick, coating undisclosed
What we check on slow cooker liners
- Confirmed PFAS, PTFE or fluoropolymer content, which is the heaviest penalty we apply.
- Stain, water or grease resistant treatments, which usually mean fluorinated chemistry.
- Whether the brand discloses what is in the product, or stays silent behind a “clean” claim.
- Independent lab results and certifications where they exist.
Full point-by-point rubric on the methodology page.
The slow cooker liners brands that will not say
6 of the brands here publish nothing about PFAS at all. Silence is not evidence of harm, but it is why none of them score well on disclosure.
Crock-Pot, Glad, Great Value, If You Care, Kroger, Reynolds.
Common questions about PFAS-free slow cooker liners
Is slow cooker liners PFAS free?
Mostly not. Of the 15 slow cooker liners we have scored, 93% fail our PFAS and toxin screen, which leaves 1 that pass. The highest scoring is If You Care Slow Cooking Liners at 100 out of 100. The lowest is Reynolds Reynolds Kitchens Slow Cooker Liners at 15.
What is the safest slow cooker liners you have scored?
If You Care Slow Cooking Liners, at 100 out of 100, which we band as Excellent. It is unbleached parchment paper.
Which slow cooker liners should I avoid?
The three lowest scoring we hold are Reynolds Reynolds Kitchens Slow Cooker Liners at 15, Reynolds Reynolds Slow Cooker Liners at 15, Crock-Pot Crock-Pot Kitchen Slow Cooker Liner at 15. The problem with the first is that skip until Reynolds confirms coating details and PFAS status.
Which slow cooker liners brands will not say whether they use PFAS?
6 of the brands we scored in this category publish nothing about PFAS at all, including Crock-Pot, Glad, Great Value, If You Care, Kroger, Reynolds. Silence is not evidence of harm, but it is the reason those brands cannot score well on disclosure.
Do you lab test slow cooker liners?
No. We score from published ingredient lists, materials, certifications, disclosures and third party lab results where they exist. Where a product has been independently tested we use that result and say so.
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Want to filter the whole category yourself? Browse all 15 slow cooker liners.