Swix F4 Glidewax with Cork
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
Paraffin wax with cork
Brand disclosure
Brand claims PFAS-free
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.
Particulate inhalation during application
Ironing paraffin wax and cork onto ski bases generates vapor and fine particulate. While paraffin itself has low acute toxicity, prolonged inhalation in poorly ventilated spaces may cause mild respiratory irritation. No specific incidents documented for Swix F4, but ventilation during application is prudent.
Thermal degradation byproducts
When heated above 100°C during application, paraffin may release minor quantities of volatile organic compounds (VOCs). Cork particles themselves do not decompose at typical application temperatures (150-180°C for ski wax ironing). Proper ventilation mitigates exposure risk.
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
Paraffin wax and cork are not known skin sensitizers or irritants at normal handling temperatures. No allergic reactions or contact dermatitis reported for this product line in available sources.
Heavy metals
Paraffin refinement and cork processing are well-established industrial processes with regulatory oversight in Europe. No contamination with lead, cadmium, or arsenic has been reported for commercial ski wax products in this category. Cork sourcing for sports wax is typically from certified suppliers.
Source, FDA ↗Microplastic shedding
Paraffin wax and cork are both biodegradable materials. Unlike synthetic microplastics, paraffin eventually breaks down in soil and water, and cork is a natural polymer. No documented evidence of persistent plastic particle accumulation from ski wax use.
The full breakdown
What it's made of and why it matters
Swix F4 is formulated from paraffin wax, a refined petroleum byproduct, combined with cork particles for texture and glide properties. Paraffin wax has a relatively benign toxicity profile when used as intended, with a melting point around 50-65°C suitable for ski base application. Cork acts as a mechanical agent rather than a chemical additive, providing micro-texture without introducing known contaminants. The formulation avoids synthetic fluorocarbons, which are the primary PFAS concern in premium ski waxes.
The brand's record and disclosure
Swix, a Norwegian sports wax manufacturer with decades of market presence, has publicly stated this product is PFAS-free, though independent third-party verification is not on record in public databases. The brand has not faced documented safety recalls or regulatory actions related to wax products in major markets. Swix publishes material safety data sheets for their products, indicating baseline transparency, though detailed chemical composition breakdowns beyond wax and cork are not typically disclosed for consumer ski wax lines.
How it compares in its category
Ski wax products divide broadly into paraffin-based (low cost, adequate performance, minimal hazard) and fluorocarbon-based (premium glide, PFAS and bioaccumulation concerns). F4 positions as an entry-to-mid-range paraffin option with lower concern than high-end fluorinated competitors. Cork-reinforced formulations are common in this segment and do not carry known health risks. Most mainstream alternatives (Toko, Maxit, Dominator) use similar paraffin chemistry, making F4 typical rather than exceptional for hazard profile.
If you buy it
Apply in a well-ventilated space or outdoors; even low-toxicity wax can release minor particulate when heated during ironing onto ski bases. Store in a cool, dry location away from direct sunlight to prevent softening and separation of cork particles. Replace when wax becomes heavily contaminated with dirt or loses glide performance (typically every 5-10 outings depending on snow conditions). Do not ingest or allow prolonged skin contact; wash hands after application. Not suitable for children without adult supervision.
What we don’t know
- 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.