GM Med Block 20g vs PS10 Yellow Wax: which is safer?
Swix PS10 Yellow Wax is our pick: better on PFAS and on the overall hazard picture.
Maplus
GM Med Block 20g
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleVolatile organic compounds (VOCs) and inhalation risk during application
PossibleSkin and eye irritation from direct contact
PossibleMicroplastic or mineral dust generation during scraping and storage
Our pick
Swix
PS10 Yellow Wax
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleCombustion by-products during hot application
PossibleSkin and eye contact irritation
PossibleIngestion toxicity (accidental exposure)
Where these two actually differ
- We flag Volatile organic compounds (VOCs) and inhalation risk during application, Skin and eye irritation from direct contact, Microplastic or mineral dust generation during scraping and storage and Storage degradation and oil separation over time on the Maplus and not on the Swix.
- We flag Combustion by-products during hot application, Skin and eye contact irritation, Ingestion toxicity (accidental exposure) and Microabrasive particulates from worn base or scraping on the Swix and not on the Maplus.
- The Maplus is Wax-based ski/snowboard glide wax where the Swix is Hydrocarbon-based ski wax (paraffin/synthetic blend), which is most of the difference in these two grades.
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More ski & sports wax: see the full ranking