Here’s how to fly hassle-free with beauty products, medication, and other essential items.

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Airport security can be one of the most unpredictable and frustrating parts of air travel.

What is TSA’s 3-1-1 rule?

Travel essentials, fluid restrictionsf

Traveler packing liquids in a ziplock bag.Credit:Kinga Krzeminska/Getty Images

The 3-1-1 designation refers to these three conditions: 3.4 ounces in one bag for one person.

According to TSA press secretary R. Carter Langston, the most common liquid mistake is forgotten water bottles.

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Are there any exceptions to the 3-1-1 rule?

An illustrated chart giving information on TSA liquid sizes.

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There are multiple exceptions to the 3-1-1 rule.

They still need to be screened, but they are permitted."

Travelers with disabilities and medical conditions have additional allowances.

TSA allows for liquids needed for medical devices to bypass the 3.4-ounce limit.

These include cleaning solutions for mobility aids or distilled water for CPAP machines.

Like other medical exemptions, these items should be declared to security officers at the checkpoint.

You should also keep the receipt on you.

“It can technically work, but it’s risky,” says Asilis.

“TSA allows frozen items if they’re solid at screeningbut if partially melted, they may be confiscated.

I advise against relying on this trick unless truly necessary.”

Will TSA liquid rules change soon?

There have been whispers in the travel world that these restrictions may be easing in the near future.

“Airports with newer CT scanners are more flexible,” Asilis says.

“But since implementation isn’t widespread, I still advise clients to follow the standard 3-1-1 rule.”

But will the rules actually change anytime soon for those in the United States?

“Put all non-essential liquid toiletries (like full-size shampoo, face wash, etc.)

in your carry-on inside the TSA-approved quart-size bag.

As for personal hygiene and beauty products, Diehl recommends asking for sample packets at the salon.

Theyre TSA-compliant, take up minimal space, and streamline carry-on organization, says Diehl.

Plus, you wont have to worry about repacking them for your return trip.

Asilis also recommends grouping items by category and using small travel containers with clear labels.

Additionally, using solid alternatives to liquid items can help maximize space in your quart-sized bag.

“These are especially helpful for frequent travelers and avoid waste or mess.”

Still unsure about whether something complies with TSA regulations or not?

The agency has plenty of resources to help.

Langston says the live assistance is available from 8 a.m. to 6 p.m. Eastern time.