Non-Toxic Shoe Waterproofing Sprays, ranked by PFAS grade
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- 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
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
All 15 shoe waterproofing sprays PFAS Authority has graded score below its 70 point pass mark for PFAS and other toxins, as of October 2026.
The full ranking is below, best-graded first, with every score linking to the evidence behind it. Nothing here clears our buy threshold yet, so the least-concerning options come first.
Are shoe waterproofing sprays safe?
None of the 15 shoe waterproofing sprays we graded come back low-concern on our screen. Our grades are model-based assessments built from published materials, ingredient lists, certifications and brand disclosures, not laboratory tests, so they say what we can evidence rather than that anything is safe.
Best graded shoe waterproofing sprays here
- 1NikWax Fabric & Leather Duo-Pack 65 out of 100
- 2Nikwax Fabric & Leather Proof Spray 65 out of 100
- 3NikWax Waterproofing Spray 65 out of 100
Start here
The best non-toxic shoe waterproofing sprays, ranked by grade
Buyer’s guide
What to look for in shoe waterproofing sprays, and which brands grade best and worst
Why NikWax Fabric & Leather Duo-Pack grades highest here, and why that is not a pass
Every grade on this page is one sum. A category starts from a baseline, each disclosed material or coating adds risk points, and each thing the brand or a third party has published takes them away. Below is that sum for the winner, then for 2 products it beats, so you can see exactly where the 25 points between the top and the bottom of this shoe waterproofing sprays ranking come from. Nothing in this category reaches our 70 point pass mark, so this is the shape of the field rather than a recommendation.
Top graded, and still below our pass mark
Made of Fabric and leather waterproofing treatment (wax-based).
- +35Waterproof / stain-resistant treatment. Water-repellent coating treatments have historically used PFAS.
- +10Category baseline. The starting point for this type of product, before anything specific to this product is counted.
- -10Brand-stated PFAS-free. The brand states this product is PFAS-free. We have not verified the claim.
35risk points in total, which is a grade of 65
What the grade does not fix. It still carries one risk factor, Waterproof / stain-resistant treatment, and our graders recorded 3 other hazards on it. See the full breakdown.
What it still grades above, and why
What puts it behind. No PFAS disclosure, +15 points. No public statement from the brand about PFAS in this product. The top-graded product carries no such factor.
Made of aerosolized protective coating (unspecified polymer/silicone blend).
- +35Waterproof / stain-resistant treatment
- +15No PFAS disclosure
- +10Category baseline
60risk points, a grade of 40
What puts it behind. Vague safety claims only, +15 points. Uses vague language ("eco-friendly", "clean") without a specific PFAS statement. The top-graded product carries no such factor.
Made of Proprietary waterproof/water-repellent coating (unspecified).
- +35Waterproof / stain-resistant treatment
- +15Vague safety claims only
- +10Category baseline
60risk points, a grade of 40
No product on this page was physically tested by us. Every number above comes from published materials, ingredient and coating disclosures, certifications and brand statements, scored on one public rubric. Formulations change without notice, so check the current product listing before buying.
Which shoe waterproofing sprays contain PFAS? Poor and Bad, we’d swap these
- 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
3 hazards checked on this product, all on its full breakdown.
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- 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
4 hazards checked on this product, all on its full breakdown.
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- 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
3 hazards checked on this product, all on its full breakdown.
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- 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)
2 hazards checked on this product, all on its full breakdown.
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- Wax-based waterproofing coating
- The brand calls it PFAS-free, which we have not verified
- Volatile organic compounds (VOCs) from propellant or solvent carrier
3 hazards checked on this product, all on its full breakdown.
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- Waterproofing spray (active ingredient unspecified on public labels)
- The brand calls it PFAS-free, which we have not verified
- Solvent inhalation (VOC/respiratory irritation)
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- aerosolized protective coating (unspecified polymer/silicone blend)
- Aerosolized inhalation exposure (solvent + polymer mist)
5 hazards checked on this product, all on its full breakdown.
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- Silicone-based water and stain repellent coating (shoe/sneaker protectant spray)
- Inhalation risk from propellant/solvent aerosol
5 hazards checked on this product, all on its full breakdown.
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- proprietary water-repellent spray coating
- We found no PFAS statement from the brand
- PFAS
4 hazards checked on this product, all on its full breakdown.
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- Proprietary water/stain repellent spray coating
- Volatile organic compounds (VOCs) and solvent inhalation
4 hazards checked on this product, all on its full breakdown.
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- Proprietary water-repellent spray coating
- We found no PFAS statement from the brand
- Volatile Organic Compounds (VOCs) from solvent carriers
4 hazards checked on this product, all on its full breakdown.
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- Aerosol spray coating (unspecified fluorochemical composition)
- Inhalation exposure to fluorochemical propellant and active ingredient
5 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Proprietary waterproof/water-repellent coating (unspecified)
- PFAS
4 hazards checked on this product, all on its full breakdown.
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- Proprietary water-repellent coating (likely Teflon-family coating-based water-repellent coating)
- Inhalation exposure from spray aerosol
3 hazards checked on this product, all on its full breakdown.
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- Proprietary liquid spray coating (composition unspecified)
- Volatile organic compounds (VOCs) and solvent inhalation
4 hazards checked on this product, all on its full breakdown.
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