Multi-Use Spray Ready-To-Use Spray 22 fl oz vs Waterproofing Wax for Leather: which is safer?
Murphy Oil Soap Multi-Use Spray Ready-To-Use Spray 22 fl oz 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 Ready-To-Use Spray 22 fl oz
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleInhalation of spray mist (mineral oil aerosol)
ReportedEye and mucous membrane irritation
PossibleMicrobial growth in spray container
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 spray mist (mineral oil aerosol), Eye and mucous membrane irritation and Microbial growth in spray container 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 plant-derived oils (mineral oil base), water, emulsifiers 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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