Now, you might be wondering what counts as a liquid. Well, it's not just your average water bottle or shampoo. The TSA considers gels, aerosols, and creams as liquids too, so don't try to sneak those in either. And, yes, that includes your favorite hair gel.
But, here's the thing: there are some exceptions to the rule. If you have a medical condition or infant formula, you're allowed to bring more than 3 ounces of liquids. Just be prepared to declare them at security and have a doctor's note or prescription ready. And, let's be real, who doesn't love a good airport drama story?