In your carry-on luggage, you are only allowed liquids, gels, and aerosols in a container that's 100 ml (100 grams / 3.4 oz) or less. Otherwise, they should be packed with your checked luggage.
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Liquid, aerosol or gel items must be in containers of 100 millilitres (volume), 100 grams (weight) or less. Containers must fit into one transparent and re-sealable plastic bag like a snap-lock sandwich bag.
Always remember to put your liquids in travel-size containers of a maximum of 100ml/100g and pack them in a 1L-sized plastic bag. If you are in doubt, pack any liquid over 100ml/100g in your checked baggage.
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.
Liquids, Gels & LotionsThe Transportation Security Administration has a 3 -1-1 rule you can use to help you remember what you can bring in your carry-on luggage onboard an aircraft. 3 – Liquids, gels, and lotions must be in a container that is 3.4 ounces (100ml) or less (by volume).
Sort through any liquids, aerosols and gels that you plan to take with you on your flight. If possible, do this before you leave for the airport. All liquids, aerosols and gels that you intend to take in your carry-on baggage must be in containers 100ml in volume or smaller.
All passenger items must undergo security screening. It is recommended that medication be clearly labeled to facilitate the screening process. You may bring medically necessary liquids, medications and creams in excess of 3.4 ounces or 100 milliliters in your carry-on bag.
We recommend packing all liquids, gels, and aerosols that are over 3.4 oz or 100 ml in your checked baggage, even if they are in a secure, tamper-evident bag. Liquids more than 3.4 oz or 100 ml not in a secure, tamper-evident bag must be packed in checked baggage.
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.
Here's what the exact law states, according to the TSA: “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.”
Creams fall under the same restrictions as liquids or gels. The carry-on limit is up to 3.4 ounces or 100 ml. A travel-sized portion that meets these limits should be fine when packed into the same clear zipped bag as other liquids, creams or gels.
Can You Bring Toothpaste on a Plane? The answer is yes. Toothpaste is permitted on aircraft but only in quantities of 3.4 oz (100ml) or less. The same goes for lotion, shampoo, shaving cream, etc.
In aviation, the rule of three or 3:1 rule of descent is a rule of thumb that 3 nautical miles (5.6 km) of travel should be allowed for every 1,000 feet (300 m) of descent.
You can carry sunscreen in your cabin bags. You will need to limit the volume to equal or less than 100 ml and place them inside a resealable plastic bag. In case travel-friendly containers do not offer you enough sunscreen, it is fine to bring large amounts if you pack them inside your hold luggage.
Additionally, liquids, gels and lotions purchased beyond the checkpoint must be disposed of before boarding the aircraft. You are permitted to bring solid cosmetics and personal hygiene items as such lipstick, lip balm and similar solids. Please remember these items must be solid and not liquid, gel or aerosol.
The regulation which allows only 100 ml liquids, gels, and aerosols to be carried inside the plane was introduced in 2006, after the British Police uncovered a terrorist plot to ignite liquid explosives that were carried on board seven airliners travelling from the UK to the United States and Canada.
Is toothpaste considered a liquid by the TSA? Yes, toothpaste must adhere to the 3-1-1 rule for liquids and gels. Toothpaste can be brought through TSA security in your carry-on as long as it is 3.4 ounces (100 milliliters) or less and placed in a 1-quart bag.
TSA carry-on regulationsYou can bring a quart-sized bag of liquid, gels, creams, pastes, and aerosols on to the plane with you. These must be in travel-sized containers (no more than 3.4 oz or 100 mL).