Oura Review, Is Oura Non-Toxic?
Oura averages 85 out of 100 on PFAS Authority's PFAS and toxin screen across the 10 Oura products graded as of November 2026, and all 10 reach its 70 point pass mark.
Oura grades Excellent 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
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.
Does Oura have PFAS, by category
Which Oura products are PFAS-free? 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 case
- We found no PFAS statement from the brand
- Bacterial growth and biofilm on skin contact surfaces. Any wearable in contact with skin can harbor bacteria…
- 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.
What to buy instead Good or better, in the categories Oura sells
- titanium, stainless steel, sapphire crystal
- We found no PFAS statement from the brand
- Band material variability
2 hazards checked on this product, all on its full breakdown.
Smart Ring 3 Silver / 9#19.1mm / Standard with 1 Charging Case
- Titanium alloy, sapphire crystal, stainless steel
- We found no PFAS statement from the brand
- Nickel leaching (from stainless steel components)
3 hazards checked on this product, all on its full breakdown.
Smart Ring Titan Rose Golden / 11#20.6mm
- Titanium alloy body with ceramic crown
- We found no PFAS statement from the brand
- Nickel leaching from alloy components
2 hazards checked on this product, all on its full breakdown.
Oura and PFAS, common questions
- Does Oura have PFAS?
- Oura averages 85 out of 100 on PFAS Authority's PFAS and toxin screen across the 10 Oura products graded as of November 2026, and all 10 reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Oura non-toxic?
- Oura Ring 4 Ceramic Smart Ring with 8-Day Battery is the highest-graded Oura product we have scored, at 85/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which Oura products are lower concern for PFAS?
- The highest-graded Oura products we have scored are Oura Ring 4 Ceramic Smart Ring with 8-Day Battery, Oura Ring 5 Gifting Sizing Kit, Oura Ring Cover gen4 Celestial emerald moissanite Starry Night Smart Oure Ring Jacket , Eternity Band. That is our model-based estimate from materials and public disclosure, not a lab test.
Every grade uses the same public rubric. How grades work →