Swix F4 Glidewax 900g
Brand PFAS statement on record, which we have not verified.
Swix says it stopped selling PFAS-containing waxes to the mass market by the 2021-2022 season. We record that as an unverified brand claim.
Brand says: “Swix says it stopped selling PFAS-containing waxes to the mass market by the 2021-2022 season.”
We flunk more products than we pass. This one earned its grade. How we grade
Material
hydrocarbon-based ski wax blend
Brand disclosure
Brand claims PFAS-free
Lab data
No public lab test
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What Swix F4 Glidewax 900g is made of, ingredients and materials
Swix F4 is a hydrocarbon-based ski wax, typically a blend of paraffin, microcrystalline, and synthetic hydrocarbons designed to reduce friction on snow. These waxes are applied by melting onto ski bases, then buffed off; the formulation does not include fluorinated compounds (PFAS), which were historically used in premium ski waxes to enhance glide. The F4 grade indicates a temperature-range product (roughly 0 to minus 20 degrees Celsius), so composition is tuned for moderate winter conditions rather than ultra-cold racing.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
Volatile organic compound (VOC) inhalation during application
Melting hydrocarbon wax on a heated iron releases low-level VOCs and combustion byproducts; risk is minimized by outdoor or well-ventilated application and is not a hazard during normal skiing. Chronic inhalation in poorly ventilated indoor spaces over repeated sessions could cause mild respiratory irritation in sensitive individuals.
Thermal degradation products if overheated
If the wax is heated beyond recommended temperature (above ~160°C), hydrocarbon chains can decompose, releasing additional volatile aldehydes and aromatic hydrocarbons. This is a self-inflicted hazard only if user ignores temperature guidance; standard waxing irons reduce this risk.
Ingestion hazard (children, pets)
While the wax itself is not acutely toxic, it is not food-safe and could cause gastrointestinal upset or obstruction if ingested in significant quantity by a child or pet. Store out of reach; the block format and unpalatable taste reduce accidental ingestion risk compared to colored products that might resemble candy.
What’s reassuring
Brand-stated PFAS-free
The brand states this product is PFAS-free. We have not verified the claim.
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Skin irritation or dermatitis from direct contact
Hydrocarbon waxes are not known sensitizers and do not cause allergic contact dermatitis at normal concentrations; incidental skin contact during application or handling poses minimal risk. Sustained contact with molten wax (above 130°C) carries obvious thermal burn risk, not chemical hazard.
Heavy metals
Swix uses refined hydrocarbon fractions with established purity standards for the ski wax industry; public records do not indicate lead, cadmium, or other heavy-metal contamination in finished products. No recalls or test reports document elemental contamination in this product line.
Source, FDA ↗How is this PFAS grade calculated?
The brand's record and disclosure
Swix is a Norwegian ski-equipment manufacturer with a long history in wax production and has made public statements positioning their products as PFAS-free, reflecting industry shift away from fluorinated waxes due to environmental and bioaccumulation concerns. The brand's claim on record has not been independently verified by third-party testing in publicly available sources, so consumers relying on this assertion should be aware the verification status is incomplete. No major safety recalls or contamination incidents are on record for Swix ski waxes in recent years.
How it compares in its category
Most modern ski waxes now use hydrocarbon blends similar to this formulation; fluorinated (PFAS) waxes are declining in market share due to regulatory pressure and environmental awareness, though some premium racing products still contain them. Non-fluorinated hydrocarbon waxes like the F4 offer good glide performance for recreational and intermediate skiers without the persistent bioaccumulation risk. Compared to older or budget waxes, Swix products tend to have more refined base chemistry and stricter manufacturing standards, though performance gains are incremental rather than dramatic.
If you buy it
Apply wax by melting it onto the ski base using a wax iron (typically 120-150°C); always work in a ventilated area or outdoors to minimize inhalation of combustion byproducts and volatilized hydrocarbons. Do not heat wax above the manufacturer's temperature range, as overheating can degrade the base and release additional volatile organic compounds. Once cooled and buffed, residual wax on skis poses no ingestion or skin hazard during normal use. Store in a cool, dry place; the 900g block will last 20-40 ski days depending on base porosity and reapplication frequency.
What is not known about PFAS in this product?
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Swix has made a specific claim
Formulations change between production runs, so check the current label. How we grade.
More ski & sports wax 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.