Whether you can bring a full-size Dove deodorant on a flight depends entirely on the physical form of the product. If it is a solid stick deodorant, you can pack a full-size version in your carry-on bag with no restrictions; TSA does not classify solid sticks as liquids. However, if your Dove deodorant is a spray (aerosol), gel, or roll-on, it is subject to the "3-1-1" liquids rule. This means the container must be 3.4 ounces (100ml) or less to go in your carry-on. Since most "full-size" Dove sprays are 3.8 to 5 ounces and gels are typically around 3 ounces (often just under or over the limit), you must check the label carefully. If the container exceeds 3.4 ounces, it must be placed in your checked luggage. In 2026, security scanners have become more advanced, but the volume limits for aerosols and gels remain strictly enforced for safety reasons. To avoid the hassle of a bag search, stick to the classic solid bar if you want to bring a large quantity, or simply purchase a travel-sized spray once you have cleared security at the airport.