Which is safer for PFAS: Fels-Naptha Fels Naptha Laundry Bar Soap or Zout Gallon Fabric Guard?

Fels Naptha Laundry Bar Soap is the clear pick. Gallon Fabric Guard carries a failing PFAS grade, and we never recommend buying a failing product. Fels-Naptha Fels Naptha Laundry Bar Soap grades C (75/100) and Zout Gallon Fabric Guard grades F (30/100) on our public PFAS rubric.

Fels Naptha Laundry Bar Soap vs Gallon Fabric Guard: which is safer?

Fels Naptha Laundry Bar Soap is the clear pick. Gallon Fabric Guard carries a failing PFAS grade, and we never recommend buying a failing product.

Our pick

Fels-Naptha

Fels Naptha Laundry Bar Soap

PFAS grade

C 75/100

Overall grade

F 63/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Soap base (tallow, coconut oil, other saponified fats), hexachlorophene preservative (historical)

Confidence

78%

PossibleFragrance allergens and skin sensitization

PossibleSodium silicate alkalinity

PossibleMicrobial growth on bar storage

Why this grade Buy

Zout

Gallon Fabric Guard

PFAS grade

F 30/100

Overall grade

F 0/100

Verdict

Skip

Hazard flags

⚑ 4

Material

Proprietary fabric protection spray coating

Confidence

35%

PossiblePFAS (PFAS "forever chemicals") in fluorocarbon-based coating

LikelyInhalation exposure during application (volatile organic compounds / aerosol particles)

ReportedSkin or eye irritation from spray contact

Why this grade

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 fabric protection treatment sprays: see the full ranking