What size hairspray can you take on a plane?

In accordance with TSA regulations, hairspray is allowed on planes in carry-on and checked luggage as long as it meets the 3-1-1 rule. This means that the container should not exceed 3.4 ounces or 100 millilitres and must be packed in a clear, plastic, quart-sized bag for screening purposes.



In 2026, the size of hairspray allowed on a plane is strictly governed by whether you are carrying it on or checking it. For carry-on baggage, hairspray is treated as an aerosol liquid and must follow the 3-1-1 rule: the container must be 3.4 ounces (100ml) or less and fit inside your single, quart-sized clear liquids bag. For checked baggage, you are permitted to carry much larger "toiletry" aerosols, but each individual can must not exceed 18 ounces (500ml). Additionally, the FAA and international safety rules in 2026 cap the total amount of all aerosols (hairspray, deodorant, etc.) in your checked luggage at 70 ounces (2 liters) per passenger. It is mandatory that every can has a protective cap to prevent accidental discharge in the hold. If you have a professional-sized "salon" bottle larger than 18 ounces, it is strictly prohibited in both carry-on and checked luggage for 2026 air travel.

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Liquids, Aerosols and Gels in your hand luggage must be in containers of maximum 100ml each. Store them in a transparent, resealable bag. Total bag capacity must be maximum one litre.

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Aerosols are allowed to be carried into the cabin but cannot be used on board. In the UK and EU liquids, aerosols or gels are screened using special equipment and you may be asked to open them. Taste or skin tests of these items are no longer carried out.

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In accordance with TSA regulations, hairspray is allowed on planes in carry-on and checked luggage as long as it meets the 3-1-1 rule. This means that the container should not exceed 3.4 ounces or 100 millilitres and must be packed in a clear, plastic, quart-sized bag for screening purposes.

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You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes in your carry-on bag and through the checkpoint. These are limited to travel-sized containers that are 3.4 ounces (100 milliliters) or less per item.

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London City Airport has scrapped the 100ml liquid limit by using high-tech scanners which also allow electronics to be kept in hand luggage at security.

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Aerosols fall into the category of liquids and therefore cannot exceed 100 ml (maximum container capacity). Aerosols containing higher amounts must go in checked baggage, and it is advisable to make sure that the container is tightly closed and protected so that the button is not pressed during the flight.

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Summing Up: Traveling With Aerosols
But remember that you can't bring all aerosols on planes, like pepper spray, WD-40, or any other aerosol that isn't intended to be used on the skin and is flammable. You most likely won't get into trouble by bringing them, but you will be asked to discard them at the airport.

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Yes, toothpaste is considered a liquid when flying and must be within the 3.4oz (100ml) limit for liquids in order to bring it in your carry-on bag. Any amount larger than that must be checked with your luggage.

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Generally speaking, you are allowed to take as much as you need with you in your hand luggage. There is no limit to how many paracetamol tablets you can take with you, whether it is prescribed or not. Of course, this may vary between different airlines.

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Firearms, ammunition, and fireworks are prohibited, as are all knives and safety razors (including pocket knives and Swiss Army knives). Straight razors and replacement blades for straight razors are also not allowed. Most tools also cannot be packed in carry-on luggage, as they have the potential to cause harm.

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So it is important to remember that all liquid, aerosol and gel items must be stored in containers 3.4 ounce or smaller. All of the 3.4 ounce containers must fit in a sealed 1-quart, clear plastic, zip-top bag, and only one plastic zip-top bag is permitted per passenger inside carry-on baggage.

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Each passenger may carry liquids, gels and aerosols in travel-size containers that are 3.4 ounces or100 milliliters. Each passenger is limited to one quart-size bag of liquids, gels and aerosols.

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If you want to take perfume on a plane, you need to keep in mind that perfume is considered a liquid and is subject to TSA regulations. The perfume must be in a container that holds no more than 3.4 ounces (100 millilitres), and it should be placed in a clear, plastic, quart-sized bag for screening.

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Safety Razors: Because the razor blades are so easy to remove, safety razors are not permitted in your carry-on luggage with the blade. They're fine to pack in your carry-on without the blade. The blades must be stored in your checked luggage. The same applies for straight razors.

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You can bring your medication in pill or solid form in unlimited amounts as long as it is screened. You can travel with your medication in both carry-on and checked baggage. It's highly recommended you place these items in your carry-on in the event that you need immediate access.

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Rules for Flights in the USA TSA (Transport Security Administration) doesn't restrict corded, plug-in hair straighteners, which means they're allowed freely in hand and checked baggage. Each passenger can bring as many corded flat irons as they wish, as there aren't any quantity limits.

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containers must hold no more than 100ml. containers must be in a single, transparent, resealable plastic bag, which holds no more than a litre and measures approximately 20cm x 20cm.

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Keep your medicines and equipment in the original packaging with labels and information leaflet. If your medicine needs to be kept cool you can use a thermos flask, cool pack or insulated pouch. Carry your medicine in your hand luggage: suitcases in the hold can become delayed or lost in transit.

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Place laptops and large electrical items separately in a tray. Put coins, keys, mobile phones and other small items in your coat or hand baggage. Place your hand baggage and coat into a tray. Place any liquid items (important: see 'Liquids - 100ml rule' above), correctly bagged, into the tray.

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Most travelers know the 3-1-1 rule: Passengers can carry liquids in three-ounce bottles or less (by volume) if these are placed in a one quart-sized clear plastic zip-top bag, placed separately in a bin; one per passenger.

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