The reason is that people skin is relatively dry,electrodes is not close tight to neck,and can not stand EMS function. Please keep wet on neck and close tight to skin. Pulse intensity should be low to high, Please change another modes to massage if cannot stand pulse function.

Neck skin rashes cause skin too dry or not close to neck skin when using pulse function, We suggest to keep neck skin wet and tight close to device, rashes will be gone one or two days.

Ergonomic design, Perfect fit for different neck sizes. The product adopts ABS plastics, it can protect neck; Please wear this device correctly and maintain correct posture when using, We suggest to massage two times per day, 15 minutes per time.

Just a very wipe of a wet paper towel of your hand. Moisten by one wipe of wet paper towel or one wipe of your wet hand. The current does not transfer well when your neck is dry and is much less effective.