Waterproofing Wax for Leather vs Ultra Stain/Odor Remover: which is safer?
Resolve Ultra Stain/Odor Remover is the clear pick. Nikwax Waterproofing Wax for Leather carries a failing PFAS grade, and we never recommend buying a failing product.
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
Our pick
Resolve
Ultra Stain/Odor Remover
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleSurfactant skin and eye irritation
PossibleResidual surfactant on fabric
PossibleFragrance allergens
Where these two actually differ
- We flag Respiratory irritation or fume inhalation during application and PFAS in water repellency treatment on the Nikwax and not on the Resolve.
- We flag Surfactant skin and eye irritation, Residual surfactant on fabric and Fragrance allergens on the Resolve and not on the Nikwax.
- The Nikwax is wax-based waterproofing where the Resolve is Aqueous surfactant blend, cleaning agents, which is most of the difference in these two grades.
Both products run through the same public rubric, which covers 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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