Does Samsung water-resistant smart rings & bands have PFAS?
We graded 10 Samsung water-resistant smart rings & bands products, averaging Good (67/100). 6 of them grade Good or better. Against the other 10 water-resistant smart rings & bands brands we grade, where the middle brand sits at 85/100, Samsung is worse than typical.
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.
Samsung water-resistant smart rings & bands worth buying Good or better, best-graded first
Samsung
Galaxy Ring Sizing Kit
Plastic ring sizer (likely polycarbonate or acrylic)
Microplastics
If sizers are repeatedly flexed, scratched, or exposed to UV, microscopic plastic…
Contact dermatitis or skin irritation
Polycarbonate and acrylic are generally skin-safe, but residual manufacturing compounds…
Sizing kit poses minimal PFAS concern without coating or treatment.
⚠Brand says nothing about PFAS
Samsung
Sterling Silver CZ Eternity Ring Cover
Sterling silver and cubic zirconia
Nickel in alloy component
Sterling silver alloy typically uses copper, but some manufacturers include trace nickel…
Cubic zirconia durability and microparticle shedding
Cubic zirconia is harder than glass but softer than natural diamond; scratching and…
Setting stability and stone loss
Fashion jewelry settings may loosen with wear; a loose cubic zirconia stone poses no…
Lower concern. Sterling silver and cubic zirconia are not materials linked to PFAS.
⚠Brand says nothing about PFAS
Samsung
Galaxy Ring, Ai Smart Ring, Size 7, Titanium Gold
Titanium alloy
Nickel leaching (from titanium alloy impurities)
Medical-grade titanium is typically nickel-free or contains <0.05%, but commercial…
Battery electrolyte leakage
The Galaxy Ring contains a rechargeable battery sealed inside. If the seal is compromised…
Skin maceration or bacterial colonization under ring
Any worn ring can trap sweat, dead skin, and bacteria, leading to folliculitis or fungal…
No coating described, and no PFAS statement from the brand.
⚠Brand says nothing about PFAS
Samsung
Misty Band for Galaxy Watch9 (Watch8)
Silicone elastomer band
Bacterial or fungal growth on elastomer
Silicone is hydrophobic and non-porous, limiting microbial adhesion, but sweat and dead…
Degradation of band material under UV or heat stress
Prolonged exposure to direct sunlight or heat may cause silicone to become brittle or…
No coating described, and no PFAS statement from the brand.
⚠Brand says nothing about PFAS
Samsung
Adjustable Breathable Silica Gel Sport Band for Samsung Galaxy Watch 8
silica gel (elastomer)
Azo dyes (colorants)
If the band is pigmented (especially dark colors), azo dyes may be present; however…
Flame retardants
Silica gel does not require flame retardants for intrinsic fire safety. If additives are…
Microbial or allergenic buildup (maintenance-related)
Porous elastomer bands can trap moisture and harbor bacteria or fungi if not cleaned…
Lower concern. Silica gel is not a material linked to PFAS.
⚠Brand says nothing about PFAS
Samsung
Galaxy Ultra/Ultra 2 Adjustable Soft Silicone Watch Bands
Soft silicone elastomer
Skin sensitization or allergic contact dermatitis
Silicone bands are hypoallergenic relative to rubber or polyurethane, but rare…
Microplastic shedding
Long-term wear and flexing can cause microscopic silicone particle release, though…
Lower concern. Silicone bands typically avoid PFAS, but Samsung provides no disclosure.
⚠Brand says nothing about PFAS
Graded and flagged Poor and Bad, we’d swap these
Samsung
Galaxy Watch Ultra Trail Band
Fluoroelastomer/silicone composite band with water-repellent coating finish
water-repellent coating degradation and potential leachables
The water-repellent coating finish on this band is likely to be PFAS-based, though…
Microfiber or particulate shedding
As the water-repellent coating ages and degrades, microscopic particles of the treatment…
Skin sensitization or contact irritation from band material or residues
Fluoroelastomer is generally biocompatible, but individual sensitivity to uncrosslinked…
Unknown PFAS risk. Samsung hasn't disclosed band chemistry and treatments.
⚠Waterproof or stain-proof treatment
Samsung
Galaxy Watch Extreme Sport Band
Fluoroelastomer or rubber sports band with water/sweat resistance
PFAS
Sport bands typically use water-repellent coating (water-repellent coating) finishes…
Heavy metals
The band is typically molded in color (e.g., black, white, sport colors) rather than dyed…
Coating degradation and microparticle release
As the water-resistant coating wears (from repeated washing, friction, UV exposure)…
Avoid. Sports bands often use water-repellent coating coatings with PFAS history.
⚠Waterproof or stain-proof treatment
Samsung
Ridge Sport Band for Galaxy Watch4 & Classic 20mm Small/Medium- Silver
Fluoroelastomer or silicone sport band with unknown water-resistant coating
PFAS
Samsung does not disclose whether the band's water-resistant surface treatment contains…
Azo dyes (color migration)
If the silver color is achieved via paint or dye rather than pigment-loaded elastomer…
Coating degradation and leaching
Watch band coatings (any brand) can degrade after 1-2 years of daily wear, sweat…
Unclear coating. Samsung doesn't disclose PFAS status.
⚠Waterproof or stain-proof treatment
Samsung
Marine Band for Galaxy Watch Ultra and Galaxy Watch Ultra2 M/L
Fluoroelastomer with stainless steel hardware
PFAS
Fluoroelastomer manufacturing commonly uses PFAS-based processing aids. While cured…
Polymer degradation and particle release
Fluoroelastomer can degrade over 1-3 years of daily wear, especially if exposed to heat…
Unknown PFAS content. Fluoroelastomer band material warrants caution.
⚠Waterproof or stain-proof treatment
Better water-resistant smart rings & bands from other brands
Graded higher than the Samsung average of 67.
Amazfit
Helio Smart Ring Health Tracker
Titanium alloy case, polymer band
Polymer band composition and residual monomers
Limited concern
Bacterial growth in sealed band-case junction
Limited concern
No coating described, and no PFAS statement from the brand.
⚠Brand says nothing about PFAS
Oura
Ring 4 Size Smart Ring
Titanium, stainless steel core
Seal degradation and water ingress
Limited concern
Nickel leaching from stainless steel
Limited concern
Bacterial colonization in band crevices
Moderate concern
Skin allergen from metal sensitivity
Limited concern
No coating described, and no PFAS statement from the brand.
⚠Brand says nothing about PFAS
Oura
Ring 4 Ceramic Smart Ring with 8-Day Battery
Titanium and ceramic composite ring
Ceramic coating degradation
Limited concern
Nickel in titanium alloy
Limited concern
Ceramic and titanium pose lower PFAS risk; brand is silent.
⚠Brand says nothing about PFAS
See every Samsung product we grade on the Samsung brand page, or the full water-resistant smart rings & bands ranking.