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Home » Recipes » Trending

13 Items You'd Never Guess Would Trigger Airport Security

By: kseniaprints · Updated: Mar 24, 2025 · This post may contain affiliate links.

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Navigating airport security can be a daunting experience, and there are 13 items you'd never guess would trigger airport security. While travelers often think of obvious prohibited items, certain everyday objects can also raise red flags during the screening process. Understanding what these items are can help avoid unexpected delays and the hassle of additional checks.

From seemingly harmless gadgets to common cosmetics, these items can lead to confusion at security checkpoints. Being aware of what might trigger scrutiny can make the travel experience smoother and less stressful. By knowing what to watch for, it’s possible to prepare better and ensure a hassle-free journey through airport security!

A security officer is scanning a man's body with a handheld metal detector labeled "Super Scanner" in an indoor setting. The man is standing with his arms stretched out while being checked.
Introduction. Photo credit: DepositPhotos.

Frozen Water Bottles

Frozen Water Bottles. Photo credit: DepositPhotos.

A frozen water bottle might seem like an easy way to keep your drink cold, but it can cause security problems. Even when solid, it's still classified as a liquid under airport regulations. If it starts to melt, it may need extra screening or be confiscated. Security officers may check to ensure it’s completely frozen at the time of screening. To avoid delays, either drink or empty the bottle before security and refill it afterward. If you must bring it frozen, be prepared for additional inspection, or consider using a reusable bottle instead.

Laptops in Checked Luggage

Laptops in Checked Luggage. Photo credit: 123RF.

Storing a laptop in checked baggage might seem convenient, but airport security discourages it due to safety concerns. Laptops contain lithium-ion batteries, which can overheat and pose fire hazards. Security officers may also flag checked bags with laptops for additional screening, leading to delays. There's also a higher risk of damage, loss, or theft when placing valuable electronics in checked luggage. For easier access during screening and peace of mind, it’s best to keep your laptop in your carry-on. If you must check it, pack it securely in a protective case.

Nail Files and Scissors

Nail Files and Scissors. Photo credit: 123RF.

Grooming tools like nail files and scissors can cause issues at security checkpoints, especially if they have sharp or pointed edges. Scissors with blades longer than four inches are prohibited in carry-on bags and may be confiscated. Even metal nail files, while small, can sometimes be flagged as potential weapons. To avoid delays, check airline regulations before packing or opt for rounded-tip scissors and disposable nail files. If you need these items for your trip, the safest choice is to store them in your checked luggage. This helps prevent any unexpected security concerns.

Excessive Amounts of Powdered Substances

Excessive Amounts of Powdered Substances. Photo credit: 123RF.

Powders such as protein powder, baby formula, and cosmetics can cause delays during screening. Airport regulations require additional checks for powders over 350 milliliters (about 12 ounces). Security officers may need to test them for prohibited substances, leading to longer wait times. If you plan to bring powdered items, pack only small amounts in carry-on bags and place larger quantities in checked luggage. Keeping powders in their original, clearly labeled containers can also help prevent unnecessary scrutiny. If traveling internationally, research any specific restrictions regarding powdered substances before departure.

Selfie Sticks

Selfie Sticks. Photo credit: DepositPhotos.

While convenient for capturing travel memories, selfie sticks can be flagged at security for several reasons. They are often made of metal and can extend into long, rigid objects, which security officers may see as potential weapons. Some airports and airlines restrict them entirely due to safety concerns. If you're unsure whether your selfie stick is allowed, check the airline’s policies before packing. A safer alternative is a compact tripod or handheld stabilizer that meets carry-on size requirements. If you must bring a selfie stick, consider packing it in checked luggage instead of your carry-on.

E-Cigarettes and Vapes in Checked Luggage

E-Cigarettes and Vapes in Checked Luggage. Photo credit: 123RF.

E-cigarettes and vape pens are subject to strict airport regulations due to the lithium-ion batteries they contain. These batteries can overheat and pose fire hazards, which is why most airlines require passengers to keep them in carry-on luggage instead of checked bags. If security officers find a vape in a checked bag, they may remove it or call the passenger for retrieval. When traveling with an e-cigarette, store it safely in your carry-on, keep extra batteries in a protective case, and follow airline rules on use and transport.

Large Containers of Peanut Butter

Large Containers of Peanut Butter. Photo credit: 123RF.

Peanut butter might seem like a solid food, but its thick consistency classifies it as a liquid under airport security rules. Any container larger than 3.4 ounces (100 milliliters) will not be allowed in carry-on bags and may be confiscated. This applies to other spreads like hummus and cream cheese as well. To bring peanut butter through security, opt for travel-sized portions or pack it in checked luggage. If you need a snack on your flight, consider alternatives like peanut butter powder or pre-packaged single-serving packets that meet carry-on requirements.

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Flammable Items in Luggage

Flammable Items in Luggage. Photo credit: 123RF.

Many personal care products, such as aerosol sprays, hairspray, and certain perfumes, contain flammable ingredients that make them subject to restrictions. These items can trigger alarms at security checkpoints or be flagged for further inspection. Most airlines allow small, travel-sized aerosol containers in carry-on bags, but larger ones may need to go in checked luggage with proper labeling. Before packing, check product labels for flammability warnings and confirm airline regulations. If bringing items like lighters or matches, ensure they meet the airline’s safety guidelines to avoid confiscation or delays.

Power Banks Over a Certain Capacity

Power Banks Over a Certain Capacity. Photo credit: 123RF.

Portable chargers are useful for keeping devices powered during travel, but they come with strict rules due to battery safety concerns. Power banks over 100 watt-hours (Wh) are not permitted on flights due to the risk of overheating and potential fire hazards. Those within the allowed limit must be carried in your carry-on, not checked luggage. Some airlines may allow higher-capacity power banks with prior approval. Always check the watt-hour rating before traveling and store power banks safely in a case to prevent accidental short-circuiting.

Disposable Razors with Exposed Blades

Disposable Razors with Exposed Blades. Photo credit: 123RF.

Disposable razors are usually permitted in carry-on bags, but security officers may stop travelers carrying razors with exposed blades. Safety razors and straight razors are not allowed in carry-ons unless the blade is removed and packed separately. Disposable razors with built-in blade protection are generally acceptable. If unsure, pack razors in checked luggage to avoid potential issues. If you prefer to carry them in your personal bag, opt for designs where the blade is encased in plastic or retractable for added safety.

Meat, Fruits, and Vegetables

Meat, Fruits, and Vegetables. Photo credit: 123RF.

Fresh produce and meat products may be flagged at airport security, especially on international flights. Many countries have strict agricultural regulations to prevent the spread of pests and diseases. Even if allowed, fresh food may require additional screening, which can slow down the security process. If traveling with perishable items, check customs regulations for both departure and arrival locations. Pre-packaged snacks, dried fruits, or vacuum-sealed meats are often safer options for transport. Declaring any food items upon arrival can also help avoid fines or confiscation at customs.

Multitools and Swiss Army Knives

Multitools and Swiss Army Knives. Photo credit: 123RF.

Multitools and Swiss Army knives may seem practical for travel, but most contain blades or sharp tools that are prohibited in carry-on luggage. Even small pocket knives can be flagged by security and confiscated. If you need a multitool for your trip, pack it in checked luggage to prevent issues at the checkpoint. Some multitools without blades may be permitted, but it’s best to check airport regulations before traveling. If you’re unsure whether your tool will be allowed, err on the side of caution and leave it behind.

Loose Batteries

Loose Batteries. Photo credit: 123RF.

Loose lithium-ion batteries pose a fire risk, which is why airport security has strict rules for their transport. Unprotected batteries can short-circuit if they come into contact with metal objects, leading to safety concerns. To avoid delays, always store spare batteries in a protective case or their original packaging. Most airlines require them to be carried in your personal bag rather than checked luggage. If carrying multiple batteries, check the airline’s watt-hour limits to avoid complications. Proper storage not only makes security screening easier but also protects your batteries from damage.

9 Airport Gate Etiquette Mistakes That Make Everyone Hate You

9 Airport Gate Etiquette Mistakes That Make Everyone Hate You. Photo credit: DepositPhotos.

Take note of these things! Navigating the airport can be stressful, and certain behaviors at the gate can make the experience even worse for everyone around. There are nine airport gate etiquette mistakes that make everyone hate you, and recognizing these actions can help create a more pleasant environment for all travelers. Whether it’s taking up too much space with luggage or engaging in loud conversations, these habits can quickly irritate fellow passengers.
Read More Here: 9 Airport Gate Etiquette Mistakes That Make Everyone Hate You

13 Hacks for Comfortable Long-Haul Flights in Economy

13 Hacks for Comfortable Long-Haul Flights in Economy. Photo credit: Pexels.

Have a more comfortable flight with these tips! Long-haul flights in economy class can often feel cramped and uncomfortable, leaving travelers dreading the journey ahead. However, with the right strategies, it is possible to make these long trips more bearable. Here are 13 hacks for comfortable long-haul flights in economy that can help transform the flying experience into a more pleasant one.
Read More Here: 13 Hacks for Comfortable Long-Haul Flights in Economy

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Hello! I am Ksenia, a seasoned traveler, blogger, and photographer. Follow me for more of my family adventures and inspiration to plan your own.

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