Does 303 Protectant fabric stain guard sprays have PFAS?
We graded 10 303 Protectant fabric stain guard sprays products, averaging Poor (40/100). None of them grade Good or better. Against the other 29 fabric stain guard sprays brands we grade, where the middle brand sits at 40/100, 303 Protectant is about typical, scoring above 43% of them.
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.
Graded and flagged Poor and Bad, we’d swap these
303 Protectant
303 Fabric Guard Fabric Protectant Spray
proprietary water and stain repellent coating
PFAS
Water and stain repellent finishes commonly contain perfluorinated compounds for…
Inhalation risk from spray application
Aerosol fabric protectants release fine particles and volatile organic compounds during…
Volatile organic compound (VOC) off-gassing
Spray-applied coatings typically contain solvents and carriers that evaporate during and…
Coating durability and reapplication burden
The product requires periodic reapplication, indicating the coating is not permanent.…
Avoid until brand provides ingredient transparency; repellent coatings often use PFAS.
⚠Waterproof or stain-proof treatment
303 Protectant
303 Fabric Guard 2 oz
Silicone-based water and stain repellent coating
Inhalation of aerosol/silicone particles
Aerosol spray inhalation can irritate respiratory tract; risk is low if used outdoors or…
Coating buildup and fabric property changes
Repeated applications of silicone-based protectants can reduce breathability and alter…
Undisclosed volatile organic compounds (VOCs)
As an aerosol, this product likely contains solvents and propellants not listed on the 2…
PFAS
Water and stain repellents in this product class are historically PFAS-based; the brand's…
Likely contains PFAS. No ingredient transparency from the brand.
⚠Waterproof or stain-proof treatment
303 Protectant
303 Aerospace Protectant
Silicone-based protectant with UV inhibitors and water repellent coating
Volatile organic compounds (VOCs) from spray carrier
Silicone protectants are typically suspended in hydrocarbon or siloxane solvents that…
Siloxane polymer bioaccumulation
Cyclic siloxanes (D4, D5, D6) used in some silicone formulations are volatile and persist…
Surface slipperiness hazard
User reports and vehicle maintenance guides document that silicone protectants can create…
Lack of ingredient transparency for UV inhibitors and slip agents
303 does not itemize UV blockers or anti-slip modifiers on the label. These additives may…
Water repellent composition raises concern.
⚠Waterproof or stain-proof treatment
303 Protectant
303 High Tech Fabric Guard
Proprietary polymer coating for fabric protection
VOC and solvent off-gassing
Spray-applied polymer coatings typically contain volatile carriers that off-gas during…
Respiratory irritation from aerosol inhalation
The spray format presents fine-particle inhalation hazard during application. While not…
Coating degradation and microplastic shedding
Polymer coatings on fabric gradually degrade with washing and wear. No testing data is…
Skin and eye contact irritation
303 product labels advise against skin and eye contact, indicating the spray formulation…
Wait for ingredient disclosure or PFAS-free certification before buying.
⚠Waterproof or stain-proof treatment
303 Protectant
303 Products Automotive Protectant
UV protectant coating, polymer-based
Volatile organic compounds (VOCs) and solvent off-gassing
Polymer-based coatings typically contain aliphatic hydrocarbons as carriers. 303 does not…
Skin and eye irritation from undisclosed surfactants or additives
Formulations of this type often include emulsifiers and wetting agents not listed on…
Polymer coating degradation and microparticle shedding
Over time, UV-exposed polymer coatings can fragment and shed microparticles onto surfaces…
Accidental ingestion risk from residue on high-touch surfaces
If applied to areas children or pets contact frequently (dashboard, steering wheel)…
Wait for PFAS status or ingredient disclosure from the brand.
⚠Waterproof or stain-proof treatment
303 Protectant
303 Products Fabric Guard
proprietary water/stain repellent coating
Solvent inhalation risk (propellant/carrier volatility)
Spray-applied fabric protectants typically contain volatile organic solvents to deliver…
Skin and eye contact irritation
Aerosol spray formulations carry inherent contact risk during application. While no…
Accumulation on fabric surface (residue buildup)
Repeated applications of water-repellent coatings can create visible or tactile buildup…
PFAS
Graded separately as 45/100 safety concern. Fabric protectants have historically relied…
Wait for disclosure. Fabric protectants often contain PFAS.
⚠Waterproof or stain-proof treatment
303 Protectant
303 Fabric Guard Trigger Sprayer
proprietary fabric protectant spray with waterproofing/stain resistance
Inhalation exposure from aerosolized spray
Trigger spray format creates fine mist inhalation risk during application. Propellant…
PFAS
Fabric guard sprays almost universally rely on fluorinated chemistry for water…
Coating degradation and microfiber shedding over time
Applied polymer coatings on textiles can degrade with washing and wear, potentially…
Propellant and volatile organic compound off-gassing
Aerosol cans typically use hydrocarbon or compressed-gas propellants that contribute to…
Spray fabric guard. PFAS risk remains unclear without ingredient data.
⚠Waterproof or stain-proof treatment
303 Protectant
303 Protectant
UV protectant/water-repellent coating (unspecified polymers)
Volatile organic compounds (VOCs) from spray propellant and carriers
Aerosolized protectant sprays typically contain solvent carriers and propellants…
Skin and eye irritation from direct contact
Water-repellent sprays commonly cause mild irritation if applied directly to skin or…
Respiratory sensitization or irritation from repeated aerosol exposure
Chronic or repeated inhalation of spray coatings can trigger respiratory irritation in…
Incomplete biodegradability of polymer film residue
Water-repellent polymers applied to fabrics or outdoor surfaces may persist in soil and…
Protectant spray composition unclear.
⚠Waterproof or stain-proof treatment
303 Protectant
303 Marine Fabric Guard with Trigger Sprayer
proprietary marine fabric protectant spray
Inhalation of spray mist and propellant
Aerosol products carry inherent risk of inhaling fine particles and propellant gases…
Volatile organic compounds (VOCs) and off-gassing
Solvent-based fabric protectants typically contain VOCs to dissolve and deliver active…
Skin and eye contact irritation
The proprietary polymer and solvent blend may cause irritation if sprayed directly on…
Aquatic toxicity from runoff
Water-repellent compounds, particularly fluorinated formulations, accumulate in aquatic…
Marine guard sprays often use PFAS.
⚠Waterproof or stain-proof treatment
303 Protectant
303 Products Marine Aerospace Protectant, UV Protection, Restores & Protects Boats, 16 oz, 30340
Proprietary UV protective coating, likely silicone or acrylic-based
Volatile Organic Compounds (VOCs) inhalation risk
Solvent carriers in this protectant (typical to silicone coating formulations) evaporate…
Eye and skin irritation from direct contact
SDS indicates the product causes eye irritation and may cause skin irritation or…
PFAS
Proprietary formulation and silent brand stance on PFAS disclosure mean presence cannot…
Environmental persistence and aquatic accumulation
Protective silicone coatings are designed to resist degradation and persist on surfaces…
Unknown coating composition.
⚠Waterproof or stain-proof treatment
Better fabric stain guard sprays from other brands
Graded higher than the 303 Protectant average of 40.
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
See every 303 Protectant product we grade on the 303 Protectant brand page, or the full fabric stain guard sprays ranking.