87Excellent

mountainFLOW Review, Is mountainFLOW Non-Toxic?

The verdict
mountainFLOW averages 87 out of 100 on PFAS Authority's PFAS and toxin screen across the 7 mountainFLOW products graded as of November 2026, and all 7 reach its 70 point pass mark.
Free to quote with attribution to PFAS Authority and a link to pfasauthority.com/brands/mountainflow.

mountainFLOW grades Excellent on our four-band scale. On disclosure, the brand says nothing publicly about PFAS. See what every brand has published about PFAS for how that compares.

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.

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  • polypropylene filter housing, carbon/sediment cartridge
  • We found no PFAS statement from the brand
  • Bacterial growth in spent cartridges

3 hazards checked on this product, all on its full breakdown.

  • RO membrane, carbon filters, stainless steel housing
  • We found no PFAS statement from the brand
  • Bacterial and microbial growth in housing and filters

4 hazards checked on this product, all on its full breakdown.

Avocado Vegan Mattress

Avocado

Vegan Mattress

100ExcellentPFAS grade
✓ MADE SAFE Certified✓ Global Organic Textile Standard (GOTS)
  • organic cotton, natural latex, coconut coir, recycled steel coils
  • The brand calls it PFAS-free, which we have not verified
  • Heavy metals

2 hazards checked on this product, all on its full breakdown.

Does mountainFLOW have PFAS, by category

Which mountainFLOW products are PFAS-free? Good or better, best-graded first

mountainFLOW Hot Wax

mountainFLOW

Hot Wax

100ExcellentPFAS grade
  • Hydrocarbon wax blend
  • The brand calls it PFAS-free, which we have not verified
  • Hydrocarbon inhalation (steam/fume). Heating any hydrocarbon wax produces low-level organic vapor. Risk is…

2 hazards checked on this product, all on its full breakdown.

mountainFLOW Race Wax

mountainFLOW

Race Wax

85ExcellentPFAS grade
  • hydrocarbon ski wax
  • We found no PFAS statement from the brand
  • Hydrocarbon inhalation during hot application. Warming paraffin wax to apply with an iron may release low…

2 hazards checked on this product, all on its full breakdown.

mountainFLOW

Eco-Wax Quick Wax Warm

85ExcellentPFAS grade
  • Wax blend
  • We found no PFAS statement from the brand
  • Inhalation of heated wax vapors. Waxes release low levels of volatile compounds when heated by an iron…

2 hazards checked on this product, all on its full breakdown.

mountainFLOW

Eco-Wax Warm Hot Wax

85ExcellentPFAS grade
  • wax blend
  • We found no PFAS statement from the brand
  • Fragrance allergens and sensitizers. Wax products often include fragrance compounds and essential oils to…

3 hazards checked on this product, all on its full breakdown.

mountainFLOW

Eco-Wax All-Temp Hot Wax

85ExcellentPFAS grade
  • wax blend, composition not disclosed
  • We found no PFAS statement from the brand
  • Inhalation hazard from wax dust and vapors. Hot waxing releases aerosols and volatile organics; mountainFLOW…

4 hazards checked on this product, all on its full breakdown.

mountainFLOW

Eco-Wax Quick Wax Cool

85ExcellentPFAS grade
  • wax-based ski/snowboard wax
  • We found no PFAS statement from the brand
  • Particulate inhalation during hot application. Heating or scraping ski wax without ventilation can generate…

3 hazards checked on this product, all on its full breakdown.

mountainFLOW

Eco-Wax Skin Wax

85ExcellentPFAS grade
  • wax blend, composition unspecified
  • We found no PFAS statement from the brand
  • Fragrance allergens and undisclosed sensitizers. No fragrance ingredients or allergen declarations are…

2 hazards checked on this product, all on its full breakdown.

What to buy instead Good or better, in the categories mountainFLOW sells

Star Nf Non-Fluoro Ski Glide Wax 60 G

Star Ski Wax

Star Nf Non-Fluoro Ski Glide Wax 60 G

100ExcellentPFAS grade
  • hydrocarbon ski wax (non-fluorinated)
  • The brand calls it PFAS-free, which we have not verified
  • Volatile Organic Compounds (VOCs) and mineral oil vapor

3 hazards checked on this product, all on its full breakdown.

Purl Eco Ski & Snowboard Wax

Purl

Eco Ski & Snowboard Wax

100ExcellentPFAS grade
  • hydrocarbon wax blend
  • The brand calls it PFAS-free, which we have not verified
  • Thermal degradation and fume emission

3 hazards checked on this product, all on its full breakdown.

Maplus Soft Base Fluor Free 250 grams

Maplus

Soft Base Fluor Free 250 grams

100ExcellentPFAS grade
  • Wax-based ski base, fluorine-free formulation
  • The brand calls it PFAS-free, which we have not verified
  • Inhalation of wax particulates and volatiles during application

mountainFLOW and PFAS, common questions

Does mountainFLOW have PFAS?
mountainFLOW averages 87 out of 100 on PFAS Authority's PFAS and toxin screen across the 7 mountainFLOW products graded as of November 2026, and all 7 reach its 70 point pass mark. 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, Eco-Wax Quick Wax Warm. 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 →