Fabric Guard Protector vs Fels Naptha Laundry Bar Soap: which is safer?
Fels Naptha Laundry Bar Soap is the clear pick. Fabric Guard Protector carries a failing PFAS grade, and we never recommend buying a failing product.
DAMP Rid
Fabric Guard Protector
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleVolatile organic compounds (VOCs) and solvent off-gassing
PossibleCoating degradation and microfiber release
PossibleUndisclosed formulation and untested ingredient interactions
Our pick
Fels-Naptha
Fels Naptha Laundry Bar Soap
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleFragrance allergens and skin sensitization
PossibleSodium silicate alkalinity
PossibleMicrobial growth on bar storage
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