Question: are e liquids allowed on airplanes?
Answer: Traveling with vape juice: important tips All liquids, aerosols, gels, creams and pastes carried onto the plane must be in 100 mL (or smaller) bottles, and must fit into a single 1-quart plastic bag, per TSA rules. That includes toothpaste, shampoo, hair gel, lip balm, deodorant—and e-juice too.