PFAS85/ 100Excellent
Overall73/ 100Good
{lot Of 68 Watches}epson Pulsense Watch Ps-500 Heart Rate Activity

Epson · Waterproof Fitness Trackers & Cases

{lot Of 68 Watches}epson Pulsense Watch Ps-500 Heart Rate Activity

Excellent

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

Verdict · BuySilicone band and polycarbonate case pose minimal established hazards; no brand controversies on record; standard fitness tracker safety profile.

The product information we reviewed describes silicone band, polycarbonate/resin case, 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.

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

Material

Silicone band, polycarbonate/resin case

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

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
🍼

BPA & bisphenols

Polycarbonate case may release trace BPA if exposed to high heat (>70°C), harsh detergents, or prolonged wet conditions. Normal wrist wear does not typically trigger this; risk is real only under abuse or extreme storage.

Source, FDA
70/ 100

Silicone band degradation and skin contact

Silicone bands can degrade over 2-3 years, especially with sun exposure or chlorine, leading to surface cracking or material flaking. Contact dermatitis is rare but possible with degraded silicone or accumulated sweat/bacteria under the band.

70/ 100
⚠️

Bacterial growth in band material (moisture trap)

Silicone bands retain moisture and sweat if not regularly rinsed, creating a microenvironment for bacteria and fungi. This is a hygiene issue, not chemical toxicity, but can cause skin irritation over weeks of non-cleaning.

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

Electronic component off-gassing (solder, PCB flux)

No specific off-gassing incidents are documented for the PS-500. Modern electronics use lead-free solder, but the case is sealed sufficiently to isolate internal volatiles from skin contact.

95/ 100
⛏️

Heavy metals

No cadmium, lead, or other heavy metal contamination has been reported in Epson PS-500 bands or cases. Polycarbonate and silicone do not inherently accumulate heavy metals during standard production.

Source, FDA
95/ 100

The full breakdown

What it's made of and why it matters

The PS-500 uses a silicone elastomer band and polycarbonate/resin case. Silicone is chemically inert and does not leach BPA or phthalates under normal wear conditions; polycarbonate can release trace BPA if exposed to high heat or harsh solvents, but typical wrist-worn use avoids this. The case resin provides rigidity and water resistance through material density and design seals, not chemical coatings.

The brand's record and disclosure

Epson has not published specific material safety disclosures or PFAS statements for the PS-500. No recalls or documented contamination incidents are on record for this model. The brand is known for electronics manufacturing and has not faced major consumer safety controversies in the wearables segment, though transparency around material sourcing remains limited.

How it compares in its category

Fitness trackers in this price and era typically use silicone or elastomer bands and polycarbonate cases, making the PS-500 materially standard. Some competitors use stainless steel bands (higher cost, no leaching risk) or cloth straps (higher mold/bacterial risk if wet). The PS-500's material combination balances durability, cost, and chemical safety adequately for the category.

If you buy it

Rinse the silicone band with fresh water after salt or chlorine exposure to prevent material degradation and skin irritation. Do not expose to prolonged direct sunlight, which can cause silicone to discolor. Replace the band if it tears or cracks, as exposed polycarbonate substrate may cause minor skin contact irritation. Store in a cool, dry place; avoid leaving in hot vehicles, which can soften polycarbonate over years of use.

What we don’t know

Basis
Model estimate, 35% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Epson has made none

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

More waterproof fitness trackers & 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.