Waterproofing Wax for Leather vs Delicate Lady Spray: which is safer?
The Laundress Delicate Lady Spray 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
The Laundress
Delicate Lady Spray
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleFragrance allergens and sensitizers
PossibleSurfactant skin/eye irritation from spray application
PossibleMicrobial growth in stored bottles
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 The Laundress.
- We flag Fragrance allergens and sensitizers, Surfactant skin/eye irritation from spray application and Microbial growth in stored bottles on the The Laundress and not on the Nikwax.
- The Nikwax is wax-based waterproofing where the The Laundress is Water-based fabric care spray (surfactants, water, fragrance), 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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