Fels Naptha Laundry Bar Soap vs UV/H20 Protectant: which is safer?
Fels Naptha Laundry Bar Soap is the clear pick. Tuff Stuff UV/H20 Protectant carries a failing PFAS grade, and we never recommend buying a failing product.
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
Tuff Stuff
UV/H20 Protectant
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
LikelyVolatile organic compounds (VOCs) and off-gassing
PossibleFluorocarbon chemistry and inhalation risk (water repellent component)
ReportedSkin and eye irritation from direct contact or overspray
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