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How Big Can Deodorant Be For Carry On?

Don't to pack deodorant in your carry on when on a long flight

The Basics of Airport Security

When it comes to air travel, the Transportation Security Administration (TSA) has a set of guidelines in place to ensure safety and security for all passengers. One of the main concerns of the TSA is the amount and type of liquids that passengers can bring on board. This includes items such as shampoo, toothpaste, and of course, deodorant.

Understanding the 3-1-1 Rule

The TSA has a 3-1-1 rule that applies to all liquids, aerosols, gels, creams, and pastes. Passengers are allowed to bring a quart-sized bag of these items, each container of which must be 3.4 ounces or less. This means that deodorant can be brought on board as long as it meets these requirements.

Exceptions to the Rule

There are some exceptions to the 3-1-1 rule. Prescription medications, baby formula, and breast milk are allowed in larger quantities than 3.4 ounces. Additionally, if you have a medical condition that requires you to bring more than the allowed amount of liquids, you can request a disability accommodation.

Choosing the Right Deodorant for Travel

When it comes to choosing the right deodorant for travel, there are a few things to consider. First, make sure it meets the 3-1-1 rule. Look for travel-sized deodorants that are 3.4 ounces or less, or transfer your deodorant into a smaller container that meets the requirements.

Consider the Climate

Another thing to consider is the climate of your destination. If you’re traveling to a hot and humid location, you may want to bring a deodorant that is specifically designed for this type of climate. Look for products that are labeled as “extra strength” or “clinical strength” to help combat sweat and odor.

Think About Your Preferences

Finally, think about your personal preferences when it comes to deodorant. Do you prefer a stick, spray, or roll-on? Do you have any allergies or sensitivities to certain ingredients? Consider these factors when choosing a deodorant for travel.

Tips for Packing Deodorant

Once you’ve chosen the right deodorant for travel, it’s important to pack it properly. Here are a few tips to keep in mind:

Put it in a Clear Bag

Make sure to put your deodorant in a clear plastic bag before going through security. This will make it easier for TSA agents to inspect and verify that it meets the 3-1-1 rule.

Keep it Accessible

Keep your deodorant easily accessible in your carry-on bag. This will allow you to quickly remove it for inspection if needed.

Protect Your Clothing

Consider wrapping your deodorant in a plastic bag or placing it in a separate compartment of your bag to prevent it from rubbing against your clothing and causing stains.


In summary, deodorant can be brought on board a plane as long as it meets the TSA’s 3-1-1 rule. When choosing a deodorant for travel, consider the climate of your destination and your personal preferences. And when packing, make sure to put it in a clear plastic bag and keep it easily accessible in your carry-on bag. By following these tips, you can stay fresh and odor-free on your travels.