Carbon38 Review, Is Carbon38 Non-Toxic?
Carbon38 averages 65 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Carbon38 products graded as of October 2026, and none of them reach its 70 point pass mark.
Carbon38 grades Good 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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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- 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.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- 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
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- 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 Carbon38 have PFAS, by category
Which Carbon38 products contain PFAS? Poor and Bad, we’d swap these
- Nylon/spandex blend (ribbed knit)
- We found no PFAS statement from the brand
- Azo dyes and colorant migration. Standard nylon and spandex blends are dyed with various classes of synthetic…
2 hazards checked on this product, all on its full breakdown.
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- Nylon blend (likely nylon/spandex)
- We found no PFAS statement from the brand
- Azo dyes. The 'Melt' colorway requires synthetic dyes; while US textile regulations prohibit the most toxic…
3 hazards checked on this product, all on its full breakdown.
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- Nylon/polyester blend with Takara Shine finish
- We found no PFAS statement from the brand
- Formaldehyde / VOCs. Takara Shine finish composition is proprietary and undisclosed. Some surface finishes…
4 hazards checked on this product, all on its full breakdown.
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- Nylon blend athletic legging, standard water-repellent coating finish typical
- We found no PFAS statement from the brand
- PFAS. Standard water-repellent coating treatments on athletic leggings historically use PFAS; Carbon38 does…
3 hazards checked on this product, all on its full breakdown.
Find an alternative on AmazonCarbon38 and PFAS, common questions
- Does Carbon38 have PFAS?
- Carbon38 averages 65 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Carbon38 products graded as of October 2026, and none of them reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Carbon38 non-toxic?
- No Carbon38 product we graded reaches Good. The best of them is Carbon38 Women's High Rise Legging in Ribbed Melt at 65/100.
- Which Carbon38 products should I avoid?
- The lowest-graded Carbon38 products we have scored are Carbon38 Women's Split Front Legging in Melt, Carbon38 Women's High Rise Full-Length Legging in Takara Shine, CARBON38 Women's Seamed Legging in Melt. Each one links to the evidence behind its grade.
Every grade uses the same public rubric. How grades work →