In case you’re a frequent flier, the trouble of compressing travel-sized containers into a transparent plastic bag shall be acquainted. Liquids, lotions, gels, aerosols, and pastes should be in cabin-friendly 100ml / 100g containers inside a resealable quart-sized bag. Guidelines allowed a most capability of 1 liter per particular person.

Between your toothpaste, deodorant, hand sanitizer, and different important lotions and potions, many passengers discovered their little baggage bursting on the seams. Plus, whilst you could arrive ready for safety screening, prolonged queuing nonetheless eats into time higher spent stress-free within the airport lounge. 

Fortunately, adjustments to the liquid restrict are already occurring in elements of Europe, together with London and Milan, with different cities set to observe. So why do the present 100ml liquid restrictions exist?

Unbottling the 100ml rule

The three-1-1 liquids rule at airports was launched in 2006 to forestall liquid explosives from being carried onto planes after a foiled terrorist plot wherein chemical substances hid in drink bottles would have been used to down a number of transatlantic flights. Initially regarded as a brief measure, the 100ml liquid restrict has remained in place in case of different potential threats.

There are a number of exemptions for breast milk, child meals, important medical functions, or particular dietary necessities, though these range by nation. Liquid objects purchased on planes or in airports, together with duty-free, are additionally allowed if sealed inside a tamper-evident bag together with your receipt.

However change is within the air


New expertise signifies that easier air journey could also be on the horizon. Excessive-tech computed tomography (CT) scanners are being launched at airport safety checkpoints, enabling their screening course of workers to see the contents of carry-on baggage extra clearly.

CT X-ray expertise produces detailed 3D pictures which will be rotated to offer extra dependable data to safety officers. This new expertise will permit passengers to maintain liquid and electrical objects inside their carry-on baggage and probably carry liquids of greater than 100ml per bottle, saving money and time and making certain an general smoother safety expertise.

Within the UK, the federal government has introduced that the 100ml liquid restrict in hand baggage shall be elevated to 2 liters at UK airports following trials at London Gatwick, Heathrow, and Birmingham airports.

“The tiny toiletry has turn into a staple of airport safety checkpoints, however that is all set to vary,” mentioned Mark Harper, UK Transport Secretary. By 2024, all main airports throughout the UK may have been up to date with the most recent safety improvements.”


However these wide-scale adjustments will take time to roll out. Estimations in 2022 said it might take 2 years to implement the upgrades absolutely. Till they’re finalized, vacationers should proceed to pack liquids in accordance with the present 100ml guidelines. 

Nonetheless, the brand new liquid allowance is already in place at Teesside Worldwide Airport in North Japanese England and London Metropolis Airport (LCY). The latter is below 10km from the British capital’s monetary district, making it a terrific hub for enterprise vacationers trying to make the most of this new tech!

Advantages to enterprise vacationers

Including CT scanners at airports throughout the US signifies that common vacationers will expertise an identical course of to these with entry to TSA PreCheck lanes. In these lanes, passengers can get pleasure from shorter wait instances and need not take away liquids, electronics, sneakers, or belts, simplifying the safety course of. As said on TSA’s web site, in June 2023, a mean of 88% of PreCheck passengers loved a wait time of 5 minutes or much less.

LCY’s scanners can scan over 550 trays per lane every hour. In keeping with Alison FitzGerald, the airport’s COO, this permits them to get 30% extra passengers by safety each hour.

In addition to decreasing wait instances, the brand new liquid guidelines ought to make packing your cabin bag extra environment friendly and cheaper. The elevated liquid allowance would take away the necessity to purchase costly travel-sized toiletries and spare the trouble of decanting liquids into 100ml containers.

Different nations forward of the curve



Donegal and Shannon Airports have had CT scanners since late 2021. These scanners imply that the 100ml restrict on liquids now not applies, and passengers can journey with bigger volumes of liquids so long as they match inside their cabin baggage.

In June 2023, Dublin Airport opened new C-3 safety scanners. Dublin Airport Authority’s Group Head of Communications, Kevin Cullinane, introduced “We have now changed 6 lanes with conventional x-ray machines with these new, 3 dimensional scans which offer prompt imaging for the safety officers.

“The 100ml liquid restrictions nonetheless apply for now, however when this program is absolutely accomplished, individuals can go by as they please and undergo these scanners in due time.” Terminal 2 is because of be accomplished early subsequent yr. 

United States


The Transportation Safety Administration (TSA) has been putting in CT scanners at airports throughout the US since 2021. As of April 2023, roughly 634 CT models had been put in, with an additional 1200 models deliberate. 

Whereas many main airports like Los Angeles’ LAX and New York’s JFK have had CT scanners for a number of years, the TSA is now trying to make air journey simpler throughout smaller airports too. Austin-Bergstrom Worldwide Airport in Texas and TF Inexperienced Airport in Windfall, Rhode Island, are amongst these set to obtain the expertise.

Nonetheless, the liquid restrict remains to be enforced for now, with the TSA anticipating this to stay the identical for a number of years. You’ll be able to observe @AskTSA on Twitter for updates.

The place else are upgrades occurring?

The brand new expertise permits airports to carry the liquid cap, however in Europe, laws nonetheless presently restrict liquids to 100ml with a complete of 1 liter per passenger. As soon as these laws are relaxed, airports with the brand new CT scanners put in shall be able to carry the restrictions. 

To complicate issues additional, some European nations and airports have chosen to function below native legal guidelines, with some places already providing elevated limits.



Groupe ADP, which operates 3 airports within the Paris area, started testing new explosives detection tools for cabin baggage at Orly-Paris airport’s Terminal 3 in October 2022. The trial, scheduled to proceed for a yr, lets passengers hold their electronics and liquids in 100ml containers inside their carry-on baggage. 



You’ll be able to already journey by Rome–Fiumicino Worldwide Airport’s Terminal 1 with out eradicating liquids and electronics out of your cabin baggage, and Terminal 3 is presently being up to date. The 100ml liquid restrict stays in place at current.

In the meantime, in Milano Linate Airport and Malpensa Airport’s Terminal 1, there are now not restrictions on the containers and quantity of liquids so long as your cabin baggage stays inside the weight and measurement set by your airline. 



Spain’s Barcelona-El Prat and Madrid-Barajas airports shall be upgraded with 3D scanners from the top of 2023. It is anticipated that Palma de Mallorca and Malaga-Costa del Sol’s airports will obtain the brand new expertise in 2025. 

By 2026, it is anticipated that they may even be put in in Gran Canaria, Tenerife Sur, Lanzarote, Fuerteventura, Alicante, Ibiza, Menorca, Valencia, and Bilbao. Though the 100ml rule remains to be in place, it is anticipated that this can change consistent with the introduction of recent scanners.



Munich Airport unveiled 5 CT scanners throughout Terminals 1 and a pair of, and Nuremberg Airport opened its first scanner this yr. Each Bavarian airports plan to finish their upgrades to those new techniques by 2026. In the intervening time, the present liquid restrictions nonetheless apply.

Czech Republic


Václav Havel Airport Prague’s Terminal 2 is planning to unveil CT scanners permitting an finish to the 100ml liquid restrictions as early as 2024, with the roll out throughout Terminal 1 later.

Packing on your subsequent journey

For now, you may probably nonetheless have to observe the 3-1-1 liquids rule, as nations have various expertise and laws. Whereas CT scanners are slowly rolled out, airports may not be capable of assure passengers entry to this modern system. 

Layovers and transferring by different nations current additional issues for vacationers, with restrictions on liquids in cabin baggage nonetheless being enforced at different airports alongside their route. 

As you’ll be able to see, as a company traveler, staying updated with the most recent home and worldwide journey laws will be difficult! 

TravelPerk’s TravelCare informs enterprise vacationers of related restrictions for upcoming journeys in real-time, whereas 24/7 buyer help takes the stress out of planning, letting you give attention to that essential pitch! 


By Tina T

Hi I'm Tina, a website author with an unmatched passion for her craft. With an unwavering commitment to quality, she combines her love of design and writing to create captivating online experiences that leave users amazed.

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