Fabric & Leather Duo-Pack vs Suede & Nubuck Protector: which is safer?

NikWax Fabric & Leather Duo-Pack is our pick, better on PFAS and on the overall hazard picture.

Our pick

NikWax Fabric & Leather Duo-Pack

Nikwax

Fabric & Leather Duo-Pack

PFAS grade

Good 65/100

Overall grade

Good 53/100

Verdict

Skip

Hazard flags

⚑ 3

Material

Fabric and leather waterproofing treatment (wax-based)

Confidence

62%

PossibleVolatile organic compounds (VOCs) in spray carrier

PossibleSkin or eye irritation from direct contact

PossibleResidue buildup on treated materials over time

Scotchgard Suede & Nubuck Protector

Scotchgard

Suede & Nubuck Protector

PFAS grade

Poor 40/100

Overall grade

Bad 4/100

Verdict

Skip

Hazard flags

⚑ 4

Material

Proprietary liquid spray coating (composition unspecified)

Confidence

35%

LikelyVolatile organic compounds (VOCs) and solvent inhalation

PossibleSilicone polymer or coating buildup on suede

ReportedRespiratory irritation from spray aerosol

Where these two actually differ

  • We flag Volatile organic compounds (VOCs) in spray carrier, Skin or eye irritation from direct contact and Residue buildup on treated materials over time on the Nikwax and not on the Scotchgard.
  • We flag Volatile organic compounds (VOCs) and solvent inhalation, Silicone polymer or coating buildup on suede, Respiratory irritation from spray aerosol and Skin and eye contact irritation on the Scotchgard and not on the Nikwax.
  • The Nikwax is Fabric and leather waterproofing treatment (wax-based) where the Scotchgard is Proprietary liquid spray coating (composition unspecified), 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 Scotchgard grade, at 35% confidence against 62%, 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 →

More shoe waterproofing sprays, see the full ranking