PFAS85/ 100Excellent
Overall69/ 100Good
Realme 6 Fitness Tracker

Realme · Waterproof Smartphone Cases

Realme 6 Fitness Tracker

Excellent

No coating described, and no PFAS statement from the brand.

Verdict · BuySilicone band with plastic components poses minimal established chemical hazards; no major brand safety controversies on record.

The product information we reviewed describes silicone band, plastic/polymer components, with no water-repellent coating named. Water resistance on products like this usually comes from the material and its seals rather than a surface treatment. The brand has published no PFAS statement for it.

Check price on Amazon →

We flunk more products than we pass. This one earned its grade. How we grade

Material

Silicone band, plastic/polymer components

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

What Realme 6 Fitness Tracker is made of, ingredients and materials

The Realme 6 Fitness Tracker uses a silicone band and plastic/polymer casing typical of budget fitness wearables. Silicone is chemically inert at body temperature and does not leach BPA or phthalates under normal wear conditions. The plastic components (likely polycarbonate or ABS in the watch body) are rigid and not designed for heating or food contact, so leaching risk is minimal in this use case.

What’s concerning

♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

90/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
⚠️

Silicone band skin irritation or allergic contact dermatitis

Silicone is generally hypoallergenic, but individuals with silicone sensitivity may experience localized itching or rash after prolonged wear. Risk increases with poor hygiene or if the band traps sweat against skin.

70/ 100
🎨

Azo dyes or colorant migration in silicone band

Colored silicone bands may contain disperse azo dyes; under sweat and friction, dyes can migrate onto skin, particularly on darker colors. This is a cosmetic and irritant concern rather than systemic toxicity.

70/ 100
⚗️

Cadmium

Budget wearables often use unspecified metal alloys in clasps and trim; nickel is a documented allergen in wearables, though the Realme 6 tracker specification does not confirm metal type. Direct skin contact with clasps increases risk.

Source, ATSDR ↗
70/ 100
💨

Volatile organic compounds (VOC) off-gassing from polymer housing

New plastic components can emit low-level VOCs for the first weeks of use, particularly in warm conditions. This is minor and typically undetectable by odor at normal wear distances but may affect individuals sensitive to off-gassing.

70/ 100

What’s reassuring

✅

Base material not linked to PFAS

The main material recorded for this product is not one associated with PFAS.

100/ 100
🍼

BPA & bisphenols

The rigid plastic housing does not contact skin or food and is not heated, so leaching pathways are absent under normal use. No recalls or reported cases for this model.

Source, FDA ↗
95/ 100

The full breakdown

The brand's record and disclosure

Realme is a subsidiary of BBK Electronics and maintains no publicly available chemical safety disclosures or third-party certifications for wearables. The brand has not faced documented recalls or safety controversies specific to this tracker model. Realme's silence on material sourcing and restricted substance compliance reflects typical industry practice for budget manufacturers, but does not indicate a known problem.

How it compares in its category

Budget fitness trackers at this price point uniformly rely on silicone bands and plastic housings; this tracker sits in the mainstream for material choices. No documented safety advantage or disadvantage versus competitors like Xiaomi Mi Band or Fitbit Inspire. Higher-priced alternatives may use more durable elastomers or nickel-free metals, but chemical hazard profiles are similar.

If you buy it

Avoid prolonged skin contact if you have sensitive skin or silicone allergies (rare but documented in wearables). Do not submerge in hot water above 50 degrees Celsius; keep it away from solvents, perfumes, and sunscreen oils. Replace the band if it shows signs of cracking, peeling, or discoloration, as degradation may increase skin irritation. Clean with mild soap and water after sweating or swimming.

What we don’t know

Basis
Model estimate, 45% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Realme has made none

Formulations change between production runs, so check the current label. How we grade.

More waterproof smartphone cases 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.