Waterproofing Wax for Leather vs Fabric Cleaner: which is safer?
Star Brite Fabric Cleaner 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
Star brite
Fabric Cleaner
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleSurfactant skin/eye irritation
PossibleResidual moisture and mildew risk
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 Star brite.
- We flag Surfactant skin/eye irritation and Residual moisture and mildew risk on the Star brite and not on the Nikwax.
- The Nikwax is wax-based waterproofing where the Star brite is aqueous surfactant-based cleaning liquid, 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 →
More fabric stain guard sprays: see the full ranking