Samsung · Water-Resistant Smart Rings & Bands
Smart Ring for Women Men, Bluetooth 5.4 Fitness Ring with Touch, Fitness Tracker with Vibration Reminder, IP68 Waterproo
Unknown waterproof coating; Samsung silent on PFAS. Skip if concerned.
Smart rings use waterproofing treatments that may contain PFAS, but Samsung provides no material or PFAS disclosure. No public lab testing or third-party verification available for this product line.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Unknown coating over electronics/metals, waterproof treatment unspecified
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Waterproof / stain-resistant treatment
water-repellent coating treatments have historically used PFAS.
Category baseline
other is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
Samsung's smart ring contains a metal band (likely stainless steel or titanium alloy) with an unspecified waterproof coating, electronics module, and a vibration motor sealed inside. The IP68 rating indicates water resistance, but Samsung has not publicly disclosed the Teflon-family coating or other chemical used in the waterproof treatment, which is critical since wearable coatings contact skin continuously. The electronics likely include nickel-plated contacts and a battery with no published material safety data sheet for the ring's exterior finish.
The brand's record and disclosure
Samsung publishes minimal material composition data for wearable electronics compared to cookware or apparel lines. The company has faced scrutiny over undisclosed PFAS in water-resistant textiles but has not publicly committed to PFAS-free wearable coatings. No formal product safety certifications (Oeko-Tex, FDA material testing) appear in official marketing for this ring. Samsung's consumer transparency on wearable material chemistry ranks below competitors like Oura in available documentation.
How it compares in its category
Smart rings are an emerging category with minimal industry standardization for skin-contact material disclosure. Most competitors (Oura, Whoop, Amazon Halo) similarly withhold waterproof coating chemistry. Samsung's approach is typical for the category rather than exceptional; however, the lack of material transparency is a category-wide weakness, not a Samsung-specific flaw. Wearable devices generally receive less regulatory scrutiny than FDA-cleared medical devices, creating a disclosure gap.
If you buy it
Remove the ring during intense sweating or before applying lotions, sunscreen, or insect repellent, as these substances can interact with the coating. Check for visible cracks or discoloration of the band every 3-6 months; discontinue use if the coating degrades or if you experience skin irritation. Clean the ring weekly with lukewarm water and a soft cloth, not isopropyl alcohol, which may degrade the waterproof finish. Store in a dry place when not worn to minimize moisture-trapping under the band.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Undisclosed waterproof coating (likely Teflon-family coating or silicone-based)
Samsung does not specify the chemical composition of the waterproof treatment used on the ring band. If Teflon-family coating-based (common in wearables), it may contain trace PFAS; if silicone-based, skin contact risk is lower but still unverified by independent testing.
Nickel leaching from metal band or plated contacts
Stainless steel and metal alloys in continuous skin contact can release nickel, especially if the protective coating degrades or in individuals with high skin pH/sweating. Samsung does not publish nickel content or nickel-release testing data for this product.
Bacterial or biofilm growth under band due to moisture retention
The seal between the band and electronics module can trap sweat and water, creating a warm, moist microenvironment. This may promote bacterial overgrowth or skin irritation (contact dermatitis), though no field complaints have been widely reported yet.
Electronics leachables (battery, solder, printed circuit board materials)
The internal electronics are sealed and not designed for skin contact, but if the outer coating fails and develops a crack, contact with battery electrolyte or solder flux residues is theoretically possible. Samsung provides no accessible teardown material safety data.
Formaldehyde or volatile organic compounds from adhesives or potting compounds
The adhesives used to seal the ring's components may off-gas low levels of formaldehyde or other VOCs, but no complaints or testing have surfaced publicly. Direct skin contact with internal potting materials is unlikely under normal use.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 35% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Water-Resistant Smart Rings & Bands
Amazon
Tracking Ring
Stainless steel, titanium alloy, sapphire glass
Lower concern. Bare metal and glass components, no known PFAS coatings.
✓Naturally PFAS-free material
Fossil
Women's Raquel Stainless Steel Analog Watch
Stainless steel case, mineral/glass crystal, standard watch internals
Lower concern. Metal watch with minimal risk profile.
✓Bare metal or glass, no coating at all
Fossil
Women's Harlow Two-Hand Stainless Steel Watch Ring
stainless steel watch case and ring, mineral or glass crystal
Lower PFAS concern. Stainless steel watch with no surface treatments.
✓Bare metal or glass, no coating at all
More water-resistant smart rings & bands grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.