Helio Smart Ring Health Tracker vs Galaxy Watch Ultra Trail Band: which is safer?
Amazfit Helio Smart Ring Health Tracker is the clear pick. Samsung Galaxy Watch Ultra Trail Band carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
Amazfit
Helio Smart Ring Health Tracker
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossiblePolymer band composition and residual monomers
PossibleBacterial growth in sealed band-case junction
Samsung
Galaxy Watch Ultra Trail Band
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
Possiblewater-repellent coating degradation and potential leachables
PossibleMicrofiber or particulate shedding
PossibleSkin sensitization or contact irritation from band material or residues
Where these two actually differ
- We flag Polymer band composition and residual monomers and Bacterial growth in sealed band-case junction on the Amazfit and not on the Samsung.
- We flag DWR coating degradation and potential leachables, Microfiber or particulate shedding and Skin sensitization or contact irritation from band material or residues on the Samsung and not on the Amazfit.
- The Amazfit is Titanium alloy case, polymer band where the Samsung is Fluoroelastomer/silicone composite band with DWR finish, which is most of the difference in these two grades.
- The gap is 45 points, wide enough that this is not a close call, and the Amazfit is the one to buy.
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More water-resistant smart rings & bands: see the full ranking