Fels Naptha Laundry Bar Soap vs Indoor & Outdoor Fabric Guard: which is safer?

Fels Naptha Laundry Bar Soap is the clear pick. Indoor & Outdoor 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 gradeBuy

Tuff Stuff

Indoor & Outdoor Fabric Guard

PFAS grade

F 35/100

Overall grade

F 5/100

Verdict

Skip

Hazard flags

⚑ 4

Material

fabric treatment coating, unspecified

Confidence

35%

PossibleVolatile Organic Compounds (VOCs) and solvent exposure

PossibleSkin and respiratory sensitization from undisclosed additives

PossibleCoating degradation and particle shedding over time

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