Slow Cooking Liners vs Slow Cooker Liners: which is safer?

Slow Cooking Liners is the clear pick. Reynolds Slow Cooker Liners carries a failing PFAS grade, and we never recommend buying a failing product.

Our pick

Slow Cooking Liners

If You Care

Slow Cooking Liners

PFAS grade

Excellent 100/100

Overall grade

Excellent 88/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Unbleached parchment paper

Confidence

78%

PossibleThermal degradation and smoke at high heat

PossibleMold or bacterial growth if stored wet or damp

PossibleAdhesion failure and paper fragments in food

Reynolds Slow Cooker Liners

Reynolds

Slow Cooker Liners

PFAS grade

Bad 15/100

Overall grade

Bad 0/100

Verdict

Skip

Hazard flags

⚑ 4

Material

Plastic film liner (composition unspecified)

Confidence

35%

PossiblePlasticizer and additive migration

PossibleThermal degradation and microplastics

PossibleUnidentified additives (opacity agents, stabilizers)

Where these two actually differ

  • We flag Thermal degradation and smoke at high heat, Mold or bacterial growth if stored wet or damp and Adhesion failure and paper fragments in food on the If You Care and not on the Reynolds.
  • We flag Plasticizer and additive migration, Thermal degradation and microplastics, Unidentified additives (opacity agents, stabilizers) and Contact with heating element or direct flame on the Reynolds and not on the If You Care.
  • The If You Care is Unbleached parchment paper where the Reynolds is Plastic film liner (composition unspecified), which is most of the difference in these two grades.
  • The gap is 85 points, wide enough that this is not a close call, and the If You Care is the one to buy.
  • We are less certain about the Reynolds grade, at 35% confidence against 78%, because it discloses less.

Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →

More slow cooker liners: see the full ranking