PFAS30/ 100Poor
Overall8/ 100Bad
Dr. Scholl's Athletic Series Sport Massaging Gel Insoles

Dr. Scholl's · Synthetic Athletic Insoles & Orthotics

Dr. Scholl's Athletic Series Sport Massaging Gel Insoles

Poor

Skip. Gel composition and coatings lack PFAS transparency.

Verdict · SkipGel insoles pose low established chemical hazards but lack transparency on polymer coatings and PFAS; use with awareness of replacement cycles and avoid prolonged heat exposure.

Dr. Scholl's won't disclose PFAS or coating chemistry for this gel insole product. Gel-based consumer footwear products sometimes contain Teflon-family coating, but no public data confirms or denies this for this product.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

Gel compound with synthetic polymers, unspecified coatings

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

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100ExcellentPFAS grade
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2 hazards checked on this product, all on its full breakdown.

What Dr. Scholl's Athletic Series Gel Insoles is made of, ingredients and materials

Dr. Scholl's Athletic Series Sport Massaging Gel Insoles use a proprietary gel compound (typically silicone or polyurethane-based polymers) bonded to fabric or synthetic foam backing. The exact polymer formulation and any topical coatings are not publicly disclosed. Gel-based insoles absorb and release moisture and body heat, which can stress polymer stability over time; unspecified coatings may leach into sweat or degrade unpredictably.

What’s concerning

♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

70/ 100
♾️

No PFAS disclosure

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

85/ 100
♾️

Unknown / proprietary coating

A coating is recorded with no disclosed chemistry.

75/ 100
🍳

Unspecified polymer coating leaching

The topical coating on gel insoles is not disclosed. Sweat exposure may cause slow leaching of monomers or plasticizers; risk is low because contact is indirect (through shoe material), but composition opacity prevents assessment.

70/ 100
🫧

Gel degradation and microparticle shedding

Gel insoles degrade over time and can fragment into small particles. Inhalation risk is minimal during normal use, but accumulated particles in shoes may contact skin or be ingested indirectly; no recall history suggests this is rare.

70/ 100
⚠️

Moisture trapping and bacterial/fungal growth

Gel insoles absorb and retain sweat. If not dried regularly or replaced on schedule, they can harbor bacteria and fungi, leading to odor and potential foot infections. This is a use and maintenance issue, not a chemical hazard, but is well-documented with gel insole products.

45/ 100
💨

Thermal instability and off-gassing

Sustained warmth from body heat and friction may cause polymer volatilization. No specific off-gassing data is available, but unidentified coatings could emit VOCs under prolonged warm conditions; risk is low in typical shoe environments.

70/ 100

What’s reassuring

💨

Formaldehyde / VOCs

The backing fabric or foam layer may contain formaldehyde-releasing resins common to textiles and foams. Dr. Scholl's has not disclosed backing material chemistry; standard textile resin use is possible but no specific reports exist for this product.

Source, ATSDR ↗
95/ 100

How is this PFAS grade calculated?

The brand's record and disclosure

Dr. Scholl's (owned by Reckitt) does not publicly disclose detailed material safety data, PFAS use, or third-party certifications for this product line. The brand has no known recalls specific to chemical contamination of gel insoles. No formal certifications (Oeko-Tex, GOTS, or similar) are advertised, limiting independent verification of allergen or contaminant screening.

How it compares in its category

Gel insoles are a mid-range option; foam or cork-based alternatives often have better transparency. Unlike footwear uppers (which face azo dye and formaldehyde concerns), insoles face lower regulatory scrutiny because they do not contact skin directly for prolonged periods. Transparent gel products are common in the market; the lack of material disclosure here is a relative weakness.

If you buy it

Replace insoles every 6 to 12 months as gel degrades and loses cushioning; worn gel can fragment or leach. Avoid prolonged exposure to heat above 100F (e.g., car dashboards or direct sunlight). Wash feet after use to minimize sweat accumulation on the insole surface. Store in a cool, dry place to slow polymer degradation.

What is not known about PFAS in this product?

Basis
Model estimate, 35% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Dr. Scholl's has made none

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

What are the PFAS-free alternatives to Dr. Scholl's Athletic Series Sport Massaging Gel Insoles?

Cotton Insole

Cotton Insole

65GoodPFAS grade
  • Cotton with possible latex or synthetic backing
  • We found no PFAS statement from the brand
  • Adhesive/backing composition (unknown)

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

Find an alternative on Amazon
  • Ortholite cushioning foam, polyurethane base
  • Volatile organic compounds (VOCs) from polyurethane

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

Find an alternative on Amazon
  • EVA foam, mesh textile lining
  • Azo dyes in mesh textile

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

Find an alternative on Amazon

More synthetic athletic insoles & orthotics 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.