Keeping yourself “safe” when it comes to hand warmer use isn’t too difficult as long as you follow some simple guidelines. Always make sure to read any product information and instructions so as you know how to use the product safely. Never expose your skin directly to any warming device.
Along with these, many electronic hand warmers will also implement automatic shut-off times so as to not become too hot. These safety features, and rules, as long as they are adhered to will allow you to use a hand warmer without too much concern.