Do Withings water-resistant smart rings & bands have PFAS?
Withings water-resistant smart rings & bands average 85 out of 100 on PFAS Authority's PFAS and toxin screen across the 6 Withings water-resistant smart rings & bands graded as of November 2026, level with the 85 out of 100 median for the 11 other water-resistant smart rings & bands brands graded alongside it.
Withings water-resistant smart rings & bands average Excellent on our four-band scale. 6 of the 6 we graded are worth buying. That is above 50% of the water-resistant smart rings & bands brands we grade.
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
Vegan Mattress
- 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.
Withings water-resistant smart rings & bands worth buying Good or better, best-graded first
- Stainless steel mesh loop band
- We found no PFAS statement from the brand
- Nickel leaching from stainless steel. Stainless steel inherently contains 8-12% nickel. In persons with…
3 hazards checked on this product, all on its full breakdown.
Withings
Recycled Woven PET Wristbands for Steel HR, Steel HR Sport, Move ECG, Move, Steel, and ScanWatch
- Recycled woven PET polyester
- We found no PFAS statement from the brand
- Heavy metals. Recycled PET wristbands often undergo dyeing. Withings does not disclose dye chemistry or heavy…
4 hazards checked on this product, all on its full breakdown.
- Silicone elastomer, no surface treatment disclosed
- We found no PFAS statement from the brand
- Silicone degradation and surface oxidation. Extended UV exposure or high heat can cause silicone to become…
2 hazards checked on this product, all on its full breakdown.
- Silicone or elastomer band
- We found no PFAS statement from the brand
- Skin irritation or allergic contact dermatitis. Silicone itself is hypoallergenic, but dyes, additives, or…
3 hazards checked on this product, all on its full breakdown.
- Silicone watch band
- We found no PFAS statement from the brand
- Volatile organic compounds (VOCs) from manufacturing residues. Silicone manufacturing can leave trace…
4 hazards checked on this product, all on its full breakdown.
- Elastic polymer watch band
- We found no PFAS statement from the brand
- Volatile organic compound (VOC) off-gassing. Elastomer polymers may release residual monomers or solvents…
3 hazards checked on this product, all on its full breakdown.
The same question, asked of the other water-resistant smart rings & bands brands
Best average grade first. Withings averages 85.
See every Withings product we grade on the Withings brand page, or the full water-resistant smart rings & bands ranking.