To sum it up: yes, mascara counts as a liquid for TSA. It’s stupid, it’s frustrating, and it’s the reason you’ll spend ten minutes crying at security when your “waterproof” mascara smudges from the stress. But you can survive this.
Here’s my advice: decant your daily mascara into a tiny travel bottle if you’re worried about space. Or just accept that your eyelashes will look like a spider’s angry cousins during the flight. And if an agent asks, “Is this a liquid?” smile, make eye contact, and say, “It’s my emotional support goop.” They’ll either laugh or pat you down. Either way, you’ll have a story.
So go forth, traveler. Pack your 3.4-ounce tubes, your clear bag, and your dignity. And remember: the TSA may control your liquids, but they can never control your attitude—or your smudged, mascara-laden tears of freedom.