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Apple Watch Series 12, Ultra 4 Owners Report Skin Irritation
MacRumors • • technology
Key Points:
- Some Apple Watch Series 12 and Ultra 4 owners report skin irritation, including burning and redness under the sensor area, potentially linked to design changes like more frequent heart rate measurements and larger sensors.
- The Series 12 and Ultra 4 feature a larger ECG electrode surface, ring-shaped photodiodes, and bigger green LEDs, but it is unclear if these contribute to the skin issues.
- Apple attributes irritation to factors such as improper band fit, sweat, soap, or other irritants, and notes that trace amounts of nickel and adhesives in the watch and bands are unlikely to cause problems.
- Apple advises users to ensure proper band fit, keep the watch and skin clean and dry, especially after exposure to sweat or lotions, and to consult a physician if irritation persists before resuming use.
- Some users have found relief after an adjustment period and cleaning, while others have returned their devices due to persistent skin reactions.
