All 15 shoe waterproofing sprays we scored fail our PFAS screen
We scored 15 shoe waterproofing sprays for PFAS forever chemicals and other hazards, then ranked them safest first. Every score below links to the full breakdown of what earned it.
100% of the 15 shoe waterproofing sprays we scored fail our PFAS and toxin screen.
The safest PFAS-free shoe waterproofing sprays we have scored
Nothing in this category clears our buy threshold yet. That is the finding, not a gap.
The shoe waterproofing sprays we would skip
Lowest scoring in this category, worst first.
Crep Protect
Crep Protect Spray
Proprietary water/stain repellent spray coating
Skip until brand discloses water-repellent chemistry.
⚠Waterproof or stain-proof treatment
Crep Protect
Shoe Protector Spray
aerosolized protective coating (unspecified polymer/silicone blend)
Skip until brand discloses coating chemistry; water-repellents historically use PFAS.
⚠Waterproof or stain-proof treatment
Crep Protect
Starter Pack
Silicone-based water and stain repellent coating (shoe/sneaker protectant spray)
Skip until transparency improves; waterproofing sprays commonly use PFAS, brand silent.
⚠Waterproof or stain-proof treatment
What we check on shoe waterproofing sprays
- Confirmed PFAS, PTFE or fluoropolymer content, which is the heaviest penalty we apply.
- Stain, water or grease resistant treatments, which usually mean fluorinated chemistry.
- Whether the brand discloses what is in the product, or stays silent behind a “clean” claim.
- Independent lab results and certifications where they exist.
Full point-by-point rubric on the methodology page.
The shoe waterproofing sprays brands that will not say
5 of the brands here publish nothing about PFAS at all. Silence is not evidence of harm, but it is why none of them score well on disclosure.
Crep Protect, Jason Markk, Kiwi, Nikwax, Scotchgard.
Common questions about PFAS-free shoe waterproofing sprays
Is shoe waterproofing sprays PFAS free?
Mostly not. Of the 15 shoe waterproofing sprays we have scored, 100% fail our PFAS and toxin screen, which leaves 0 that pass. The lowest is Crep Protect Crep Protect Spray at 40.
Which shoe waterproofing sprays should I avoid?
The three lowest scoring we hold are Crep Protect Crep Protect Spray at 40, Crep Protect Crep Protect Shoe Protector Spray at 40, Crep Protect Crep Protect Starter Pack at 40. The problem with the first is that skip until brand discloses water-repellent chemistry.
Which shoe waterproofing sprays brands will not say whether they use PFAS?
5 of the brands we scored in this category publish nothing about PFAS at all, including Crep Protect, Jason Markk, Kiwi, Nikwax, Scotchgard. Silence is not evidence of harm, but it is the reason those brands cannot score well on disclosure.
Do you lab test shoe waterproofing sprays?
No. We score from published ingredient lists, materials, certifications, disclosures and third party lab results where they exist. Where a product has been independently tested we use that result and say so.
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Want to filter the whole category yourself? Browse all 15 shoe waterproofing sprays.