16 Oz. Trigger Spray Outdoor Fabric Guard 30605 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.
303 Products
16 Oz. Trigger Spray Outdoor Fabric Guard 30605
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleVolatile organic compounds (VOCs) and inhalation risk
PossibleSkin and eye irritation from spray contact
PossibleAllergic contact sensitization
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) and inhalation risk, Skin and eye irritation from spray contact and Allergic contact sensitization on the 303 Products 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 303 Products.
- The 303 Products is Proprietary fabric guard coating, composition undisclosed 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 303 Products grade, at 35% confidence against 78%, because it discloses less.
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