A skin for an electronic device can be very useful and also very harmful. It’s up to the owner to weigh the risks and benefits for their devices.
To give your device a new look, you can do this easily with a skin. If your look is unique, it will also help in its recovery if the device is lost or stolen. Just note that while charging, the device may feel and be warmer than normal so make sure that vents are cleared and cleaned often.
To protect your electronic devices from getting scratches during use or travel in pockets and bags, you can install a skin. Keep in mind that it is not a case and will not protect from surface presure and falls.