Stick deodorant is fine in any size. Well, almost any size… Powders and crystals are good to go as well. Spray, Gel, Liquid, Cream, Pastes, and Roll-On deodorants need to be in containers no larger than 3.4 ounces and placed in a clear quart-sized baggie.
The capacity of each container must not exceed 0.5 kg (18 ounces) or 500 ml (17 fluid ounces).
Liquids, aerosols and gels (LAGs) are all liquid items for aviation security purposes. This includes all drinks, toiletry and cosmetic items such as shampoo and shower gel, toothpaste, liquid/aerosol deodorant, hairspray, hair gel, mascara and foundation cream.
If you do take liquids in your hand luggage: containers must hold no more than 100ml. containers should be in a single, transparent, resealable plastic bag, which holds no more than a litre and measures around 20cm by 20cm. contents must fit comfortably inside the bag so it can be sealed.
If you are flying within Australia on a domestic flight, there are no restrictions on how much powders, liquids, aerosols and gels you can carry onboard.
Containers larger than 100 millilitres or 100 grams, even if only partially-filled, containing liquids, aerosols or gels will not be allowed through the security screening point. For example, a 200 gram toothpaste tube that is half-full will not be permitted.
Liquid or gel food items larger than 3.4 oz are not allowed in carry-on bags and should be placed in your checked bags if possible. TSA officers may instruct travelers to separate items from carry-on bags such as foods, powders, and any materials that can clutter bags and obstruct clear images on the X-ray machine.
Flammable. Non-toiletry, WD-40, spray paint, spray starch, cooking spray, etc. This entry is for flammable aerosols that don't qualify as a medicinal or toiletry article (see separate entry in the PackSafe table).
Each passenger is limited to one quart-size bag of liquids, gels and aerosols. Common travel items that must comply with the 3-1-1 liquids rule include toothpaste, shampoo, conditioner, mouthwash and lotion.
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.
Stick, powder, and crystal deodorants are a type of solid deodorant that applies dry to the skin. No matter your flight provider, all solid deodorants are not considered liquids, which makes them legal to carry on your flight.
As a rule of thumb, aerosols that are personal, medicinal, and toilet items are those that are sprayed on your body. These can generally be carried on board or in checked baggage, within quantity limitations.
Bag screening
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.
The 100ml rule for liquids
The main rule to remember is that you must not take any more than 100ml of a restricted liquid into the cabin of a plane, and those liquids should be placed into individual 100ml containers. Any liquid that you need more than 100ml of should be packed in your hold luggage.
Mascara is considered a liquid, as is anything deemed 'spreadable. ' (Consult this handy searchable list for the full run-down of what is allowed in checked baggage and carry-ons.) Also keep in mind that sharp objects, like razors, might be subject to restrictions.
According to TSA standards, lipstick is not a liquid, and it is classified as solid makeup.
It's called the 3-1-1 liquids rule. Each item must be 3.4 ounces or less and must be able to fit inside a one-quart size clear zip-top bag. The limit is one bag per person. Typically, travelers put their toiletries in the bag such as shampoo, hair products, make-up and toothpaste.
Toothpaste is considered a liquid by the TSA (Transport Security Agency), even though it's technically a paste. In fact, all pastes, gels, waxes, and lotions are also classified as liquids. And even today, these substances are still restricted by the 3-1-1 rule in hand luggage due to safety threats.
Checked Bags: Yes
Any sharp objects in checked baggage should be sheathed or securely wrapped to prevent injury to baggage handlers and inspectors.
Aerosols and roll on deodorants are classed as liquids, so any containers larger than 100 ml will need to go in your luggage in the hold. Containers smaller than 100 ml are accepted if in a clear plastic bag.
If you want to travel with your full-size aerosol containers of antiperspirant, hairspray, suntan lotion, shaving cream, and hair mousse, you can do so by packing them in your checked baggage. That way, you'll be sure to have your favorite toiletries with you when you arrive at your destination.
In hand baggage, you have to pack hairspray in your 1-quart bag of toiletries. It also has to be 3.4 oz (100 ml) or smaller. In checked bags, hairspray is allowed, but in 18 oz (500 g) containers or smaller.
Most airlines allow passengers to bring on both a carry-on and a personal item like a backpack, laptop bag, purse, briefcase, shopping bag, etc. The general rule of thumb is that your personal item is smaller in dimension than your carry-on bag and it can fit underneath the seat in front of you.
Because the TSA considers the nut spread a liquid, plane passengers must limit the amount they bring in their carry-ons. Like all other liquids, passengers are limited to 3.4 oz or less of peanut butter in their carry-on bag, but can also put the snack in their checked baggage.
However, when packed in carry-on bags, makeup in a liquid, lotion, gel, paste or creamy form, must be in containers that are 3.4 ounces or less. You can take as many travel-sized liquids as you can comfortably fit into one quart-sized, zip-top bag. One liquids bag is allowed per passenger in carry-on bags.