As a seasoned travel consultant with extensive experience in navigating the complexities of airline regulations, I'm well-equipped to provide you with a comprehensive answer to your question regarding the transportation of spray deodorants on airplanes.

First and foremost, it's important to understand that the rules and regulations regarding the carry-on of liquids, aerosols, and gels aboard aircraft are governed by the Transportation Security Administration (TSA) in the United States and similar agencies in other countries. These rules are in place to ensure the safety and security of all passengers and crew members on board.

Liquids, Aerosols, and Gels (LAGs): The TSA has specific guidelines for carrying LAGs in your carry-on luggage. According to the 3-1-1 rule, passengers are allowed to bring quarts-sized clear plastic, zip-top bags containing containers of liquids, gels, creams, and aerosols that are **3.4 ounces (100 milliliters) or less per item**. All of these items must fit comfortably in one such bag.

Spray Deodorants: Now, let's address spray deodorants specifically. As you've mentioned, gel and aerosol deodorants are subject to different rules compared to solid deodorants. They are classified under the LAGs category. Therefore, they must be placed in the quart-sized clear plastic bag along with any other gels and liquids you wish to carry onto the plane. The key requirement here is that the **original size of the deodorant must be 3.4 ounces (100 ml) or less**.

Packaging and Labeling: It's crucial to ensure that your spray deodorant is properly packaged and labeled. The container must be original, unopened, and factory-sealed, which is a common requirement for all LAGs to verify that the contents have not been tampered with.

Security Checkpoints: At the security checkpoint, you will be required to remove your quart-sized bag from your carry-on and place it in a separate bin for screening. This is a standard procedure to ensure that all liquids, gels, and aerosols are thoroughly inspected.

Exceptions and Considerations: There are a few exceptions and considerations to keep in mind. For instance, if you have a larger bottle of deodorant that you cannot part with, you have the option to pack it in your checked luggage. However, it's always a good idea to check with your airline for any specific restrictions or allowances they may have.

Traveling Internationally: If you are traveling internationally, it's important to note that other countries may have different regulations regarding the carry-on of LAGs. It's always wise to familiarize yourself with the rules of the country you are flying to or transiting through to avoid any inconvenience.

In conclusion, while it is possible to bring spray deodorant on a plane, you must adhere to the TSA's 3-1-1 rule and ensure that your deodorant is within the specified size limits and properly packed in a quart-sized clear plastic bag. By following these guidelines, you can ensure a hassle-free travel experience.

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Gel and aerosol deodorants are a different story -- they do not qualify as solids. Instead, you must put them in your quart-sized clear plastic baggie along with any other gels and liquids you wish to carry onto the plane. To go this route, your deodorant's original size must be 3.4 ounces, or 100 ml, or less.read more >>