Can you bring mouthwash on a plane?
Also known as: oral rinse, listerine
Restricted status
Allowed in hold
Official TSA Rules & Reason
Mouthwash is a liquid and is subject to the 3-1-1 liquids rule. Carry-on bottles must be 3.4 oz (100 ml) or less.
Official TSA SourceTraveler Packing Tip
Place mouthwash in a clear pouch near the top of your carry-on luggage. Security officers often request passengers to remove restricted items for standalone X-ray screening.
Frequently Asked Questions
Is mouthwash allowed on a plane?▼
According to the TSA, mouthwash is restricted in carry-on bags and allowed in checked baggage. Mouthwash is a liquid and is subject to the 3-1-1 liquids rule. Carry-on bottles must be 3.4 oz (100 ml) or less.
Can I bring mouthwash in carry-on luggage?▼
Yes, mouthwash is restricted (subject to conditions) in carry-on bags. Make sure to consult airport guidelines.
Are there any special rules for packing mouthwash in checked baggage?▼
In checked bags, mouthwash is allowed without restrictions. Ensure it is packed securely.
TSA Officer Discretion
The final decision rests with the TSA officer on whether an item is allowed through the security checkpoint. Rules and regulations can vary depending on international travel destinations or dynamic airport security alert levels.
Reviewed by BringOnPlane Editorial Team
This document has been reviewed and verified by our travel reference editors. All statuses, notes, and guidelines are checked against live security feeds from the TSA (Transportation Security Administration) and FAA (Federal Aviation Administration).
Official Regulation Citations
49 CFR § 1540.111
TSA General Security Carriage Regulations — Transportation Security Administration (TSA)
This regulation mandates baggage safety constraints, hazardous materials classifications, or general prohibited carriage parameters for airline passengers flying within or into the United States.