can you take hairspray on a plane ? One way to bring your hairspray with you is in your carry-on bag. The product should be tiny and contain 3.4 ounces of spray or less. It must be less than 100ml (3.4 oz) in hand luggage and follow the same regulations as liquids. You will frequently be asked to place it in a transparent bag. The TSA also specifies that the "release devices (button/nozzle) must be covered by caps or other acceptable ways to prevent accidental release" if the hairspray is in an aerosol container.
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