PFAS85/ 100Excellent
Overall77/ 100Excellent
Rex Grip Wax Purple 45g

Rex · Ski & Sports Wax

Rex Grip Wax Purple 45g

Excellent

Ski wax. Paraffin-based formulas pose lower PFAS concern than fluorinated alternatives.

Verdict · BuyParaffin-based ski wax with no documented hazards; lower PFAS risk than fluorinated competitors; brand transparency limited but material safety uncontroversial.

This grip wax appears paraffin-based, a traditional ski wax material without known PFAS risk. Verify product specs if concerned about fluorinated options in the market.

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We flunk more products than we pass. This one earned its grade. How we grade

Material

Paraffin wax blend

Brand disclosure

Brand is silent on PFAS

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.

90/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
💨

Inhalation of wax dust and volatile organics

Scraping and brushing paraffin wax can generate fine dust. While paraffin itself is low-toxicity, chronic inhalation of particulates may irritate respiratory passages. Ventilation during application and cleanup reduces this risk substantially.

70/ 100

Thermal degradation at high ambient temperatures

Paraffin wax begins to soften visibly above 40 degrees Celsius. If stored in hot vehicles or applied in very warm climates without cooling, the wax may lose structural integrity, though this does not create a chemical hazard, only functional failure.

70/ 100

What’s reassuring

Base material not linked to PFAS

The main material recorded for this product is not one associated with PFAS.

100/ 100

Synthetic dye stability in wax matrix

The purple colorant is chemically locked into the paraffin base and does not leach under normal ski conditions or skin contact. No documented cases of dye migration or dermal sensitization from colored waxes in this product class.

95/ 100
⛏️

Heavy metals

Rex does not disclose pigment sourcing or heavy metal testing. Paraffin-grade iron oxides and synthetic colorants are typically low-risk, but cadmium or lead in cheaper dyes is theoretically possible without third-party verification.

Source, FDA
95/ 100

The full breakdown

What it's made of and why it matters

Rex Grip Wax Purple 45g is a paraffin wax blend, a hydrocarbon mixture derived from petroleum refining. Paraffin wax is a material not linked to PFAS, and does not generate volatile organic compounds at normal application temperatures. The purple color likely comes from iron oxide or synthetic dyes, both of which are stable within paraffin matrices and not known to leach during use.

The brand's record and disclosure

Rex is a Scandinavian ski care manufacturer with no public disclosure of safety testing or third-party certification for non-PFAS hazards. The brand has not faced documented recalls or safety controversies related to this product category. No evidence of ingredient transparency statements or health warnings beyond standard wax handling guidance is publicly available.

How it compares in its category

Paraffin-based grip waxes are the baseline safety choice in ski waxing; they carry substantially lower chemical hazard profiles than fluorinated glide waxes (which may contain GenX or other PFAS alternatives). Most ski wax brands in this tier offer similar paraffin formulas without differentiated safety claims. Rex's lack of transparency is typical for the category but not unusual.

If you buy it

Apply in ventilated spaces to avoid inhalation of wax dust during scraping or corking. Store below 25 degrees Celsius to prevent softening or color bleeding. Replace when the wax no longer adheres to the ski base or forms clumps during application, typically after 2-4 outings depending on snow type. Wash hands after application; paraffin wax is not toxic but can clog pores with prolonged skin contact.

What we don’t know

Basis
Model estimate, 78% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Rex has made none

Formulations change between production runs, so check the current label. How we grade.

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Ingestion toxicity (accidental exposure)

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Microabrasive particulates from worn base or scraping

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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.