Multi-Use Spray vs Waterproofing Wax for Leather: which is safer?
Murphy Oil Soap Multi-Use Spray is the clear pick. Nikwax Waterproofing Wax for Leather carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
Murphy Oil Soap
Multi-Use Spray
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleInhalation of aerosol mist (surfactants and mineral oil particles)
PossibleSkin and eye contact irritation
PossibleIngestion hazard (accidental)
Nikwax
Waterproofing Wax for Leather
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleRespiratory irritation or fume inhalation during application
ReportedPFAS in water repellency treatment
Where these two actually differ
- We flag Inhalation of aerosol mist (surfactants and mineral oil particles), Skin and eye contact irritation, Ingestion hazard (accidental) and Residue buildup and surface damage over time on the Murphy Oil Soap and not on the Nikwax.
- We flag Respiratory irritation or fume inhalation during application and PFAS in water repellency treatment on the Nikwax and not on the Murphy Oil Soap.
- The Murphy Oil Soap is mineral oil, surfactants, water where the Nikwax is wax-based waterproofing, which is most of the difference in these two grades.
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 →
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