Do Oura water-resistant smart rings & bands have PFAS?
Oura water-resistant smart rings & bands average 85 out of 100 on PFAS Authority's PFAS and toxin screen across the 9 Oura water-resistant smart rings & bands graded as of November 2026, level with the 85 out of 100 median for the 10 other water-resistant smart rings & bands brands graded alongside it.
Oura water-resistant smart rings & bands average Excellent on our four-band scale. 9 of the 9 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.
Oura water-resistant smart rings & bands worth buying Good or better, best-graded first
- Titanium and ceramic composite ring
- We found no PFAS statement from the brand
- Ceramic coating degradation. Repetitive skin friction and sweat exposure over months to years may gradually…
2 hazards checked on this product, all on its full breakdown.
- Titanium, stainless steel sizing dummy ring
- We found no PFAS statement from the brand
- Coating degradation or flaking. If the titanium or stainless steel has a plating, anodization, or enamel…
2 hazards checked on this product, all on its full breakdown.
Oura
Ring Cover gen4 Celestial emerald moissanite Starry Night Smart Oure Ring Jacket , Eternity Band
- Moissanite stone, likely titanium or stainless steel band
- We found no PFAS statement from the brand
- Metal band corrosion and nickel leaching. If the band is stainless steel rather than pure titanium, and if…
2 hazards checked on this product, all on its full breakdown.
Oura
Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 11 - Silver - (2026)
- titanium, stainless steel, sapphire crystal
- We found no PFAS statement from the brand
- Skin sensitization or irritation from prolonged contact. Although titanium and stainless steel are…
2 hazards checked on this product, all on its full breakdown.
- Titanium, stainless steel core
- We found no PFAS statement from the brand
- Seal degradation and water ingress. Water resistance depends entirely on polymer seals and gaskets, which…
5 hazards checked on this product, all on its full breakdown.
- Titanium, stainless steel, sapphire crystal
- We found no PFAS statement from the brand
- Nickel in stainless steel (skin sensitization). Stainless steel typically contains 8-12% nickel as an alloy…
3 hazards checked on this product, all on its full breakdown.
- Titanium body
- We found no PFAS statement from the brand
- Cadmium. The ring contains a sealed lithium battery and circuit board. No public testing of leachates from…
2 hazards checked on this product, all on its full breakdown.
- Titanium, sapphire crystal, stainless steel
- We found no PFAS statement from the brand
- Nickel leaching from stainless steel or plating. Stainless steel composition and any plating details are not…
3 hazards checked on this product, all on its full breakdown.
- Titanium body
- We found no PFAS statement from the brand
- Battery leakage or internal electrolyte contact. The Oura Ring contains a rechargeable battery sealed inside…
2 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. Oura averages 85.
See every Oura product we grade on the Oura brand page, or the full water-resistant smart rings & bands ranking.