Softshell Proof Spray-On Waterproofing vs Waterproofing Wax for Leather: which is safer?

Nikwax Softshell Proof Spray-On Waterproofing is our pick: better on PFAS and on the overall hazard picture.

Our pick

Nikwax Softshell Proof Spray-On Waterproofing

Nikwax

Softshell Proof Spray-On Waterproofing

PFAS grade

Good 65/100

Overall grade

Good 57/100

Verdict

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Hazard flags

⚑ 2

Material

Wax-based water-repellent coating (water-repellent coating) spray coating

Confidence

55%

PossibleSolvent inhalation from spray application

PossibleWax residue or film on skin or eyes

Nikwax Waterproofing Wax for Leather

Nikwax

Waterproofing Wax for Leather

PFAS grade

Good 65/100

Overall grade

Good 51/100

Verdict

Skip

Hazard flags

⚑ 2

Material

wax-based waterproofing

Confidence

78%

PossibleRespiratory irritation or fume inhalation during application

ReportedPFAS in water repellency treatment

Where these two actually differ

  • We flag Solvent inhalation from spray application and Wax residue or film on skin or eyes on the Nikwax 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 Nikwax.
  • The Nikwax is Wax-based DWR (durable water repellent) spray coating where the Nikwax is wax-based waterproofing, which is most of the difference in these two grades.
  • These two are level, close enough that price and fit should decide it rather than our grade.

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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