3M · Fabric Stain Guard Sprays
3M Impregnation Spray 400 ml for furniture/clothes
Skip until 3M confirms PFAS status or reformulation.
3M Scotchgard fabric spray repels water and stains through a proprietary formula. Historical Scotchgard products contained PFAS, and current reformulation status remains unclear.
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Material
Proprietary water/stain repellent coating (Scotchgard formula)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Waterproof / stain-resistant treatment
Water-repellent coating treatments have historically used PFAS.
PFAS
Scotchgard's core function relies on fluorochemical water-repellents; 3M has not disclosed whether this 400 ml spray contains PFAS or has been reformulated to exclude them. Historical Scotchgard formulations contained long-chain PFAS, and no public reformulation announcement exists for consumer spray products.
Source, ATSDR ↗Inhalation risk from spray application
Aerosol spray application can disperse fine particles into the respiratory tract. Spray-on treatments are inherently riskier than brush-on or immersion alternatives. Users with asthma or respiratory sensitivity should avoid or use respiratory protection.
Skin/eye irritation from propellants and solvents
Impregnation sprays typically contain propellants and solvent carriers that can irritate mucous membranes on direct contact. The specific solvent package in Scotchgard 400 ml is proprietary and not disclosed on consumer-facing labeling.
Aquatic/soil persistence from fluorochemicals
If this product contains PFAS, treated textiles will shed fluorochemicals during washing, entering wastewater and potentially persisting in the environment indefinitely. PFAS do not degrade in standard water treatment.
Incomplete removal during laundering
Fluorochemical coatings on fabrics resist water removal by design. Treated items may continue shedding active ingredients over multiple wash cycles, extending exposure and environmental release.
The full breakdown
What it's made of and why it matters
Scotchgard 400 ml impregnation spray is a proprietary water and oil repellent coating designed for porous materials like upholstery, carpets, and clothing. The formula is based on fluorochemical compounds that create a hydrophobic barrier. 3M has not publicly disclosed whether this product contains long-chain or short-chain PFAS, or whether it has been reformulated to eliminate PFAS entirely. The active ingredients remain undisclosed beyond marketing claims of 'water and stain protection.'
The brand's record and disclosure
3M has faced significant litigation and regulatory scrutiny over PFAS in Scotchgard products, with multiple lawsuits alleging contamination of drinking water supplies via PFAS-containing formulations. However, 3M has not published a clear reformulation timeline or confirmed PFAS removal from current consumer products. The company has maintained that Scotchgard products 'meet regulatory standards,' but refuses to disclose PFAS content or commit to PFAS-free alternatives. This silence is a major red flag given the brand's documented PFAS history.
How it compares in its category
Furniture and clothing treatment sprays vary widely in PFAS content. Some competitors (like Nikwax) explicitly market PFAS-free alternatives for outdoor apparel. Others, like traditional Scotchgard formulations, have relied on long-chain PFAS for decades. Without ingredient transparency from 3M, this product cannot be meaningfully compared to alternatives. Consumers seeking repellent treatments should prioritize brands that publicly commit to PFAS-free formulations or that disclose their chemistry.
If you buy it
Apply only in well-ventilated spaces or outdoors, as spray inhalation can deposit particles in the lungs. Follow label instructions for fabric type compatibility and drying time. Do not use on children's sleepwear or items that will contact skin for long periods. Allow full drying (typically 24 hours) before use. Reapplication may be needed annually depending on wear and washing frequency. Given the PFAS uncertainty, consider products with lower PFAS concern or test on a hidden area first.
What we don’t know
- Basis
- Model estimate, 35% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- 3M has made none
Formulations change between production runs, so check the current label. How we grade.
Better-graded alternatives in Fabric Stain Guard Sprays
Nikwax
Waterproofing Wax for Leather
wax-based waterproofing
Respiratory irritation or fume inhalation during application
Limited concern
PFAS
Moderate concern
A water-repellent or grease-resistant treatment of unstated chemistry, with a brand PFAS statement we have not verified.
⚠Waterproof or stain-proof treatment
Timberland
Waximum Waxed Leather Protector
Wax-based leather protector
Volatile organic compounds (VOCs) from solvents
High concern
Formaldehyde / VOCs
Limited concern
Skin sensitization from undisclosed additives
Limited concern
Wax coating lower concern than synthetic waterproofing, but unconfirmed.
⚠Brand says nothing about PFAS
Angelus
Mink Oil Paste Leather Waterproofer and Contitioner 3 oz
mink oil paste, natural oil-based conditioner
Microbial growth (natural oil rancidity)
Limited concern
Skin sensitization (mink oil allergenicity)
Limited concern
Lower concern; natural oil product unlikely to contain PFAS but unverified.
⚠Brand says nothing about PFAS
More fabric stain guard sprays grades
How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.