Nikwax Review, Is Nikwax Non-Toxic?
Nikwax averages 67 out of 100 on PFAS Authority's PFAS and toxin screen across the 20 Nikwax products graded as of October 2026, and 1 of them reach its 70 point pass mark.
Nikwax grades Good on our four-band scale. On disclosure, the brand claims its products are PFAS-free (self-declared). See what every brand has published about PFAS for how that compares.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
What Nikwax says and does about PFAS
Nikwax says it has never used PFAS in any of its products and never will. That is the company’s own claim, and we found no independent test of its waterproofing products for PFAS.
- Brand statementNikwax’s PFAS page says it has never used per- and polyfluorinated compounds (PFAS) in any of its products. Nikwax ↗
- Brand statementIts sustainability page says Nikwax has never and will never use PFAS in its products. Nikwax ↗
Sources checked September 14, 2026. A brand statement is the company’s own claim, which we report but have not verified. Our grades are model-based estimates, not lab tests.
Nikwax is one of the brands we researched by hand for our record of what every brand has published about PFAS, where the same question is answered for each of them in one line.
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- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
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- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
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Does Nikwax have PFAS, by category
Which Nikwax products are PFAS-free? Good or better, best-graded first
- Natural leather conditioning oils and waxes
- The brand calls it PFAS-free, which we have not verified
- Volatile organic compounds (VOCs) in solvent carriers. Natural oil conditioners are typically suspended in…
4 hazards checked on this product, all on its full breakdown.
Which Nikwax products contain PFAS? Poor and Bad, we’d swap these
- wax-based waterproofing
- The brand calls it PFAS-free, which we have not verified
- Respiratory irritation or fume inhalation during application. Wax application by hand or brush generates…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Wax-based water-repellent coating (water-repellent coating) treatment
- The brand calls it PFAS-free, which we have not verified
- Inhalation of spray aerosol. Wax-based sprays aerosolize fine particles during application. Acute inhalation…
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Fabric and leather waterproofing treatment (wax-based)
- The brand calls it PFAS-free, which we have not verified
- Volatile organic compounds (VOCs) in spray carrier. Wax-based waterproofing sprays rely on organic solvents…
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Wax-based water repellent coating (paraffin/blend)
- The brand calls it PFAS-free, which we have not verified
- Volatile organic compounds (VOCs) from solvent carrier. Spray format requires a hydrocarbon solvent (mineral…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Wax-based water-repellent coating (water-repellent coating) coating
- The brand calls it PFAS-free, which we have not verified
- Volatile Organic Compounds (VOCs) during application and cure. Wax-based spray formulations inherently…
4 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Wax-based water-repellent coating (water-repellent coating) spray coating
- The brand calls it PFAS-free, which we have not verified
- Solvent inhalation from spray application. The product is delivered as a pressurized spray; carrier solvents…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Proprietary water-repellent coating (water-repellent coating) treatment on fabric and leather
- The brand calls it PFAS-free, which we have not verified
- Inhalation exposure from aerosol application. Spray application creates fine mist inhalation risk during use.…
4 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Solvent-based or water-based waterproofing treatment (formula not publicly disclosed)
- The brand calls it PFAS-free, which we have not verified
- Volatile organic compounds (VOCs) and solvent inhalation. Solvent-based formulations (if present in certain…
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- fabric and leather waterproofing treatment
- The brand calls it PFAS-free, which we have not verified
- Spray aerosol inhalation risk. No specific inhalation study on this product is on record, but spray…
5 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Fabric and leather treatments, waterproofing and stain resistance
- The brand calls it PFAS-free, which we have not verified
- Inhalation exposure to spray propellants and solvents. Aerosol formulations release propellant gases and…
4 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Water-repellent polymer water-repellent coating (water-repellent coating) coating
- The brand calls it PFAS-free, which we have not verified
- Volatile organic compounds (VOCs) in spray solvent. Nikwax spray products contain solvent carriers typical of…
5 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Silicone-based water-repellent coating treatment (composition unspecified)
- The brand calls it PFAS-free, which we have not verified
- Volatile organic compounds (VOCs) from spray solvent carrier. Spray-applied products inherently release…
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- water-repellent coating (water-repellent coating) finish on textiles
- The brand calls it PFAS-free, which we have not verified
- Aerosol inhalation (volatile organic compounds or propellants). Spray products inherently carry risk of…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- nubuck/suede with water-repellent treatment
- The brand calls it PFAS-free, which we have not verified
- Spray inhalation hazard (propellant and volatile organic compounds). Aerosol sprays release propellant gases…
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- water-repellent treatment on suede/nubuck textile
- The brand calls it PFAS-free, which we have not verified
- Inhalation risk from spray application. Aerosol sprays inherently carry inhalation exposure during…
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Silicone-based waterproofing treatment (composition undisclosed)
- The brand calls it PFAS-free, which we have not verified
- Volatile organic compounds (VOCs) / inhalation risk during application. Spray application releases airborne…
4 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Wax-based waterproofing coating
- The brand calls it PFAS-free, which we have not verified
- Volatile organic compounds (VOCs) from propellant or solvent carrier. Spray formulations typically use…
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Waterproofing spray (active ingredient unspecified on public labels)
- The brand calls it PFAS-free, which we have not verified
- Solvent inhalation (VOC/respiratory irritation). Spray format with undisclosed solvent carrier means volatile…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Specialty cleaning and conditioning products for treated footwear
- The brand calls it PFAS-free, which we have not verified
- Volatile organic compounds (VOCs) in spray formulation. Specialty footwear sprays typically contain solvents…
3 hazards checked on this product, all on its full breakdown.
Find an alternative on AmazonNikwax and PFAS, common questions
- Does Nikwax have PFAS?
- Nikwax averages 67 out of 100 on PFAS Authority's PFAS and toxin screen across the 20 Nikwax products graded as of October 2026, and 1 of them reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests. Nikwax says it has never used PFAS in any of its products.
- Is Nikwax non-toxic?
- Nikwax Conditioner for Leather is the highest-graded Nikwax product we have scored, at 100/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which Nikwax products are lower concern for PFAS?
- The highest-graded Nikwax products we have scored are Nikwax Conditioner for Leather. That is our model-based estimate from materials and public disclosure, not a lab test.
- Which Nikwax products should I avoid?
- The lowest-graded Nikwax products we have scored are Nikwax Footwear Care Kit, NIKWAX Nubuck & Suede Waterproofing Spray, Nikwax Nubuck & Suede Proof Spray. Each one links to the evidence behind its grade.
Every grade uses the same public rubric. How grades work →