THE TSA has issued an urgent reminder to travelers hoping for a smooth journey through security before jetting off.
Anyone who incorrectly packs a common beauty item will trigger a hazmat response and cause delays.
Taking to Facebook the Transportation Security Administration warned flyers about the little-known rule.
It applies to those who want to style their hair with a certain tool while they are away.
"All us to iron out the details," the TSA said .
Passengers who use curling irons must pay close attention to the baggage rules.
"Any cordless curling irons containing gas cartridges (butane) discovered in a checked bag will be removed and turned over to the airline as a HAZMAT item," the warning stated.
"Cordless curling irons containing a gas cartridge or butane are ONLY per