If maintaining your hair routine while on vacation is a must, be aware: TSA has now banned certain hair tools from checked luggage. Here's the list.

TSA is no longer allowing these items through its security checkpoints. See what they are and why they are banned.

Essentially, a TSA CT X-ray scanner sends low doses of X-rays through your luggage, which pass through the different materials at different rates. So the scanner can tell if there are metals, liquids, ...