mountainFLOW Review, Is mountainFLOW Non-Toxic?
Across 2 graded products, mountainFLOW averages Excellent (93/100). On disclosure, the brand claims its products are PFAS-free (self-declared). 2 of its products grade Good or better. Grades are model-based estimates, not lab results.
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.
Worth buying from mountainFLOW Good or better, best-graded first
mountainFLOW
Hot Wax
Hydrocarbon wax blend
Hydrocarbon inhalation (steam/fume)
Heating any hydrocarbon wax produces low-level organic vapor. Risk is minimal in…
Thermal degradation byproducts
If wax is overheated above recommended iron temperature, hydrocarbon chains may partially…
Brand PFAS statement on record, which we have not verified.
✓Brand claims PFAS-free (unverified)
mountainFLOW
Race Wax
hydrocarbon ski wax
Hydrocarbon inhalation during hot application
Warming paraffin wax to apply with an iron may release low levels of aliphatic…
Polymer additives and proprietary blend opaqueness
Ski waxes often contain proprietary polymers and performance additives not disclosed on…
Ski wax typically contains paraffin or similar hydrocarbons, lower concern.
⚠Brand says nothing about PFAS
mountainFLOW and PFAS, common questions
- Does mountainFLOW have PFAS?
- We graded 2 mountainFLOW products, averaging Excellent (93/100). 2 grade Good or better. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is mountainFLOW non-toxic?
- mountainFLOW Hot Wax is the highest-graded mountainFLOW product we have scored, at 100/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which mountainFLOW products are lower concern for PFAS?
- The highest-graded mountainFLOW products we have scored are mountainFLOW Hot Wax, mountainFLOW Race Wax. That is our model-based estimate from materials and public disclosure, not a lab test.
Every grade uses the same public rubric. How grades work →