It's a good idea to put the bottle in a plastic bag or wrap it in clothing to prevent it from breaking and spilling. It's always a good idea to check <a href=”https://justtravo.com/blog/can-you-bring-nail-polish-on-a-plane/>can you take deodorant on a plane</a>? The TSA's website for the latest information on what items are allowed and prohibited on flights, as rules and regulations may change over time.