Pet Safety / Products / GPS-Collar Metal Contact Nickel and Cobalt Dermal Sensitization (Buckles, Charging Pins, Antenna Plating, Continuous Wear)

GPS-Collar Metal Contact Nickel and Cobalt Dermal Sensitization (Buckles, Charging Pins, Antenna Plating, Continuous Wear) — pet safety profile

Moderate risk

Not veterinary or professional safety advice, and not a substitute for a veterinarian — consult one about your animal. Full disclaimer →

GPS collars, smart pet trackers, and electric-fence / e-collar receivers commonly use nickel-plated steel buckles, nickel-cobalt alloy charging pins, and nickel/gold-plated antenna couplers — all of which contact the pet's skin continuously through fur.

What is this product?

GPS collars, smart pet trackers, and electric-fence / e-collar receivers commonly use nickel-plated steel buckles, nickel-cobalt alloy charging pins, and nickel/gold-plated antenna couplers — all of which contact the pet's skin continuously through fur. Nickel is the world's most common dermal allergen (NICE NG241 2023 reaffirmed estimated population sensitization rate ~15-20% in humans; veterinary contact allergy literature is sparser but documented). Cobalt is the second most common dermal sensitizer per ACGIH and ECHA, frequently co-occurring with nickel in plating chemistry. Pet-specific exposure pattern: continuous dermal contact at the neck (where fur is thinnest in many breeds), perforated skin from chronic scratching, and grooming-mediated oral exposure to surface metal particulates. EU REACH Annex XVII Entry 27 restricts nickel release rate to 0.5 µg/cm²/week from items intended for prolonged skin contact (humans); pet wearables are not explicitly within scope but the technical standard exists. US has no equivalent release-rate standard. The dominant clinical pattern is chronic neck contact dermatitis, mistaken for flea allergy or atopic dermatitis, that resolves on device removal. Acute electrolytic burns at charging-pin contacts are a separate, device-failure-mode subset.

What's in it

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Dermal Sensitizer Primary

Dermal Sensitizer Form

Plating Form

Co Sensitizer

Co Sensitizer Form

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