Repel & Refresh Shoe Care Bundle vs Waterproofing Wax for Leather: which is safer?
Nikwax Waterproofing Wax for Leather is our pick, better on PFAS and on the overall hazard picture.
Jason Markk
Repel & Refresh Shoe Care Bundle
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
LikelyVolatile organic compounds (VOCs) in spray solvent
PossibleUndisclosed chemical formulation
ReportedRespiratory/skin contact from spray application
Our pick
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 Volatile organic compounds (VOCs) in spray solvent, Undisclosed chemical formulation, Respiratory/skin contact from spray application and Allergic sensitization to fragrance or solvents on the Jason Markk 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 Jason Markk.
- The Jason Markk is water-repellent shoe treatment formulation where the Nikwax is wax-based waterproofing, which is most of the difference in these two grades.
- The gap is 25 points, wide enough that this is not a close call, and the Nikwax is the one to buy.
- We are less certain about the Jason Markk grade, at 45% confidence against 78%, because it discloses less.
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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