Free Shipping on orders over $68

icon-favAll products made in America

Save $$ every time you buy Tangie bar

Can You Bring A Bar of Soap on a Plane

Tangie Lavender Shampoo Bar

If you’re getting ready to travel by air in the United States, you might be curious about what personal care items you can bring along, especially when it comes to something as simple as a bar of soap. Don’t worry, we’ve got you covered!

TSA rules can be a bit tricky, especially when it comes to traveling with hygiene products. Many travelers wonder whether they can bring solid items like a bar of soap, their favorite shampoo or conditioner, or face wash on a plane.

The good news is that most beauty products are allowed, but there are a few things to remember! The main guideline revolves around the size of the containers you’ll be carrying in your carry-on luggage. If a container is over a certain ounce limit, you’ll need to pack it in your checked baggage instead. Just a little heads-up to ensure smooth travels and keep your essentials close!

Soap is an essential travel buddy for travelers, offering convenience and hygiene on the go. Whether you’re trekking through remote locations or staying in luxury hotels, having soap ensures you can maintain cleanliness and freshness.

What if you’re going away for the weekend and only have a carry-on? Or what if you include those troublesome bottles in your bag and they end up leaking? We have solutions to these issues and more.

In this article, you will learn about:

  • Can You Take a Bar of Soap On The Flight?
  • TSA Rules on Solid Toiletries
  • How to Pack Bar Soap for Air Travel
  • Frequently Asked Questions

TSA Rules About Soap Bars on Planes

The Transportation Security Administration (TSA) has established clear guidelines regarding the transportation of bars of soap and various solid toiletries. According to the TSA’s regulations, travelers are permitted to bring a bar of soap in both their carry-on luggage and checked bags. This flexibility allows passengers to include their preferred soap bars, as well as solid haircare bars, in their travel essentials without facing any restrictions.

It’s important to note that while bars of soap and similar solid toiletries are allowed, travelers should be mindful of the overall volume of liquid and gel products in their carry-on bags. The TSA has specific rules regarding liquids, which typically include a maximum limit of 3.4 ounces (100 milliliters) per container and a total of one quart-sized bag for all liquid items.

In addition to ensuring that your solid toiletries comply with these guidelines, it is also advisable to consider the packaging of your soap. For instance, if the bar of soap is in an unsealed container, it might need to be repackaged to avoid any leaks or spills during travel.

Moreover, travelers who are using solid toiletries may enjoy an advantage when navigating through airport security checkpoints, as these items generally do not have to undergo the same scrutiny as liquid products. This can lead to a more efficient screening process, allowing passengers to focus on their travel experience.

Keep It Accessible: Stash your wrapped soap near the top of your carry-on so you can pull it out quickly if asked.

Label Specialty Bars: If you’re carrying medicated or oil-rich bars, a simple “Solid Soap” tag helps clarify that it’s not a liquid or gel.

When you pack for vacation, every ounce and centimeter of space matters. Bar soaps won’t count against your liquid allotment, so you free up room for sunscreen, shampoo, or that must-have post-swim lotion.

Whether you’re jetting off for business or chasing sunsets on the beach, bringing your favorite bar soap along is one less thing to worry about. TSA treats solid soap like any other non-liquid, so it won’t count against your bag, and it won’t leak or spill in your luggage. Pack it in a simple tin or soap saver bag, and you’ll glide through security with a smile, ready to freshen up wherever your adventures take you!

TSA Bar Soap In Carry-on

According to official TSA guidelines, a solid soap bar is permitted in both carry-on and checked baggage, though final approval rests with the TSA officer at the checkpoint.

Liquid soap must be in containers of 3.4 ounces (100 milliliters) or less.

Packing Tips for Smooth Screening

Container choice: Slip your bar soap into a small reusable tin or breathable soap bag to contain crumbs.
Visibility: Place it in an easily accessible spot in your carry-on so TSA officers can inspect without unpacking everything.
Labeling: If it’s a specialty skincare bar (e.g., medicated or oil-based), a quick note or label helps officers identify it as a solid.

Exceptions:  Liquid soap that is medically necessary may be exempt from the 3.4-ounce rule, but you must declare it at the security checkpoint.

Does TSA View Bar Soap As Liquid On A Plane?

The simple answer is No! But you can definitely carry a soap bar on your next flight.

Bringing a bar of soap on a U.S. flight is allowed by the TSA, as the TSA treats solid soap bars as solids, so they’re exempt from the 3-1-1 liquids rule and can go in both your carry-on and checked bags without regard to size or quart-bag requirements.

In contrast, liquid or gel soaps must be in containers no larger than 3.4 oz (100 mL) and fit inside a single quart-sized, clear plastic bag for carry-on screening.

As long as your soap stays solid, you can travel without the hassle of transferring it into travel-size bottles or worrying about leaks. We understand how frustrating it can be to deal with messy spills during your journey.

To make your travel experience smoother and keep everything tidy, consider storing your bar soap in a dedicated tin or a mesh soap bag. Placing it near the top of your carry-on will make it easier for security checks.

The Transportation Security Administration (TSA) permits travelers to carry bar soap in both their carry-on and checked bags. Since bar soap is categorized as a solid item, it is not bound by the same limitations that apply to liquids, gels, and aerosols. Therefore, you can include bar soap in your carry-on without concern for the liquid restrictions set by the TSA.

What to know about bar soap:

Soap Is Considered To Be A Solid: Bar soap is classified as a solid substance, which means it isn’t subject to the same stringent regulations and restrictions that often apply to liquids during travel. This makes it a convenient option for those looking to freshen up while on the go.

No size limit: When it comes to packing bar soap for your travels, there is no size restriction. Whether you have a small travel-sized bar or a larger one, you can comfortably include it in your carry-on luggage or checked bags without worry.

No quantity limit: Unlike certain liquid items, there are no limits placed on the quantity of bar soap you can bring with you. This means you can pack multiple bars for your trip, ensuring you have enough to last throughout your travels, no matter how long or short they may be.

No special packaging: Bar soap does not require any special packaging for your journey. You do not have to place it in a clear plastic bag or use specific containers to transport it. You can simply toss it in your luggage as is, making it a hassle-free choice for personal hygiene while traveling.

Use a Dedicated Tin or Bag: Pop your soap and its saver bag into a small tin or reusable pouch. This makes it easy for TSA officers to see it’s a solid item and speeds up X-ray screening [tsa.gov]

TSA Friendly Soap Bar Ingredients – Are There Any Restrictions?

TSA-friendly bar soaps are designed to meet the Transportation Security Administration’s guidelines, allowing travelers to easily pass through airport security without any hassle. These soaps can be packed in both carry-on luggage and checked bags, making them a convenient option for those on the go.

They are usually crafted with a variety of natural ingredients that not only cleanse the skin but also provide additional benefits, such as nourishment and hydration.

The formulation of these soaps can vary based on their intended purpose. For instance, you might find bar soaps infused with ingredients like turmeric and honey that focus on moisturizing the skin, while others may utilize components like sea salt and coconut milk for exfoliation and hydration.

Here’s a closer examination of the common ingredients found in TSA-friendly bar soaps and the benefits they offer:

Tallow: This is a rendered fat derived from beef, and it has been a traditional soap-making ingredient for centuries. Tallow is renowned for its exceptional moisturizing properties, making it ideal for those with dry or sensitive skin. It’s also praised for its ability to create a rich, creamy lather, enhancing the overall washing experience.

Goat Milk: This ingredient is celebrated for its gentle cleansing and moisturizing qualities. Goat milk contains natural fats, proteins, and vitamins that can soothe the skin, making it beneficial for individuals with sensitive skin or conditions like eczema.

Essential Oils: These are concentrated plant extracts known for their fragrant properties and potential therapeutic effects. Different essential oils offer various benefits, such as lemon and lemongrass for an invigorating scent or lavender for its calming and relaxing effects, making bath time a more enjoyable and rejuvenating experience.

Clays: Ingredients like bentonite and kaolin clay are often included in soap formulations for their detoxifying capabilities. They can help draw out impurities from the skin, making them suitable for oily or acne-prone skin types. Additionally, these clays can provide a gentle exfoliation, promoting a smoother skin texture.

Turmeric and Honey [Agave]: These two powerhouse ingredients are frequently combined in moisturizing soaps. Turmeric not only provides a distinctive golden hue to the soap but also has antioxidant properties that can brighten the skin. Honey, on the other hand, is a natural humectant that retains moisture, delivering hydration and sweetness to the skin.

Sea Salt: Known for its mineral-rich composition, sea salt can be a valuable ingredient in bar soaps, offering both exfoliation and detoxification benefits. It’s commonly used to rejuvenate the skin by sloughing off dead skin cells, revealing a fresh and revitalized complexion.

Coconut Milk: This ingredient contributes a delightful creaminess to soap formulations, enhancing hydration due to its natural fatty acids. Coconut milk helps to nourish and moisturize the skin, making it an excellent choice for those desiring softness and smoothness.

Oatmeal: Often found in gentle soaps, oatmeal is praised for its soothing and exfoliating properties. It can help calm irritated skin and is frequently recommended for individuals with sensitivities or allergies.

Tangie shampoo bars in unscented, rosemary mint, and lavender stacked in a pyramid
All Tangie Products are TSA Approved!

Shea Butter, Alpine Caribou Moss, Juniper Berries: These specific ingredients are present in the Oars + Alps Bar, each bringing its unique benefits. Shea butter is an excellent moisturizer, while alpine caribou moss can aid in skin hydration, and juniper berries may provide invigorating and antimicrobial properties.

Tea Tree Oil: Well-known for its powerful antibacterial, antiviral, and antifungal properties, tea tree oil is often utilized in travel soaps. It offers a deep cleansing experience and helps purify the skin, making it ideal for maintaining hygiene while traveling.

Chamomile: Typically included for its calming effects, chamomile is a soothing ingredient often found in bath tea bar soaps. It can help reduce redness and irritation, promoting a sense of relaxation during bath time.

By understanding the unique benefits of each ingredient, consumers can select soaps that cater to their skin care needs while enjoying the convenience of travel-friendly options.

How Many Bars of Soap Can You Bring on an International Plane?

When traveling internationally, you are allowed to bring any number of soap bars in both your carry-on and checked luggage. Since soap is classified as a solid, there are no limits on the quantity you can carry, unlike liquids, which have specific regulations.

Important details:

Unlimited quantity: You may bring as many bars of soap as you require or can accommodate in your luggage.

No size constraints: There are no designated size or weight restrictions for bar soap.

Allowed in both: Bar soap can be included in your carry-on or checked bags.

Can You Take A Shampoo Bar In Your Carry-on Luggage?

The short answer is yes, you can take a shampoo bar in your carry-on luggage without any restrictions. Unlike liquid shampoos, shampoo bars are solid and are not subject to TSA liquid regulations.

You can pack them freely in your carry-on bag. This makes them a convenient and eco-friendly option for travel, as they typically come without plastic packaging. Just ensure that the bar is properly stored to prevent damage or mess during your trip.

Note: Despite being exempt from the rule, bar soaps must still pass through X-ray screening and are subject to the TSA officer’s final approval

Tangie Laundry Liquid Soap – Certifications on New Box Design
Tangie Laundry Liquid Soaps Are Also TSA-Approved For Travel

Not only does organizing your soap save you time at the checkpoint, but it also helps keep your suitcase clean and prevents those little soap fragments from getting everywhere.

Additionally, using a compact soap container or resealable bag ensures your soap stays fresh and intact throughout your travels. This simple step can make unpacking easier and more pleasant, leaving you with one less thing to worry about during your trip.

When you pack for vacation, every ounce and centimeter of space matters. Bar soaps won’t count against your liquid allotment, so you free up room for sunscreen, shampoo, or that must-have post-swim lotion.

TSA Rules & Requirements

ItemCarry-On Allowed?Checked Allowed?Notes
Bar Soap (Solid)YesYesTreated as a solid; no size limits or quart-bag required.
Liquid Soap (Gel)Yes (≤ 3.4 oz/100 mL; in 3-1-1 bag)YesMust fit in quart-sized bag; one bag per passenger; ≤ 3.4 oz each.

Solid vs Liquid Toiletries For Air Travel

One of the main advantages of solid toiletries over liquid counterparts is that they are not subject to the same stringent restrictions imposed by security regulations.

When traveling, especially by air, liquid toiletries are required to be contained within bottles that hold no more than 3.4 ounces (100 milliliters), and these containers must be packed in a clear, quart-sized plastic bag for screening at security checkpoints. This can be a hassle for travelers who wish to carry a variety of personal care products without the burden of measuring and repackaging their liquids.

In contrast, solid toiletries, such as shampoo bars, conditioner bars, and solid soaps, do not fall under these liquid regulations. There are no limitations on the size or volume of solid toiletries you can bring in your carry-on luggage, making them a more practical choice for those looking to streamline their travel packing.

Not only do solid toiletries eliminate the risk of spilling, which can occur with liquids, but they also tend to be lighter and more compact, allowing travelers to save valuable space in their bags.

Moreover, solid toiletries often come with environmental benefits. Many solid products are packaged with minimal or no plastic, which resonates with eco-conscious travelers. They are also generally more concentrated than their liquid counterparts, meaning users often need less product for the same effect, further reducing waste. This factor not only appeals to a growing demographic that prioritizes sustainability but also aligns with the increasing trend towards zero-waste lifestyles.

Additionally, the use of solid toiletries can simplify the travel experience. With no fear of leaks and the elimination of the need to carry multiple containers, travelers can enjoy a more straightforward and organized packing process.

This convenience is advantageous for various types of travelers, including backpackers, business travelers, and families, who often grapple with the logistics of packing efficiently while adhering to airline regulations.

TSA Limits on Solid Toiletries

ItemCarry-On Allowed?3-1-1 Bag Required?Checked Allowed?Notes
Bar SoapYesNoYesTreated as a solid; no size or volume limits.
Solid DeodorantYesNoYesFinal approval rests with the TSA officer at the checkpoint.
Shampoo BarYesNoYesMay prompt extra screening if unwrapped or crumbly
Conditioner BarYesNoYesTreated the same as shampoo bars and other solid toiletries.

Under TSA limit rules, solid toiletries such as soap bars and solid deodorants are classified strictly as solids and may be carried in both carry-on and checked baggage without any volume restrictions or the need to pack them in the liquids bag.

How to Pack Bar Soap for Air Travel

As beauty bars don’t risk spilling, packing them is both simpler and safer compared to bottles. Just place your beauty bars in a reusable bag, Ziploc container, or one of our soap saver bags.

While you could toss the bars loosely in your bag, it’s not advisable unless necessary, as they might get dirty rolling around in your suitcase. Additionally, they could leave some of their fragrances on your clothes, although that might not be entirely unpleasant!

Soap saver bags Tangie
Soap Saver Bags From Tangie Are Created For Travellers!

Ultimately, the best zero-waste method for storing beauty bars is by using a soap saver bag.

Soap saver bags are not only environmentally friendly but also extend the life of your soap bars by allowing them to dry thoroughly between uses. Their convenient design ensures ease of use, and the gentle exfoliation helps to remove dead skin cells, leaving your skin feeling soft and refreshed.

Perfect for anyone looking to adopt a more sustainable and eco-conscious lifestyle, these bags are a simple yet effective addition to your daily routine.

Hygiene: Keeping Your Bar Soap Clean While Traveling

Maintaining the cleanliness of your bar soap is essential to ensure its safety and effectiveness.

Dry the Soap After Use

To prolong the lifespan of your soap and maintain its quality, make sure to let it dry completely after each use. Place it on a soap dish with proper drainage to prevent it from sitting in water, which can cause it to dissolve faster. A well-dried soap not only lasts longer but also remains more hygienic by reducing the growth of bacteria or mold.

Air Drying

After using the soap, let it air dry completely before storing it. This helps prevent bacteria and mold growth. Ventilated Case: Opt for a soap case that has ventilation holes to let moisture escape, keeping the soap dry and sanitary. Utilize Antibacterial Wrapping:

Tea Tree Oil

If bacteria are a concern, consider wrapping the soap in a cloth or paper with a few drops of tea tree oil, known for its antibacterial qualities. Antibacterial Wipes: Regularly use antibacterial wipes to clean the exterior of the soap case, ensuring it stays free from germs. Regular Cleaning of the Case:

Wash the Case

Regularly clean the soap case with warm water and mild soap to eliminate any residue or buildup. Make sure it dries completely before using it again. Disinfect: Occasionally, use a mild disinfectant to sanitize the soap case and maintain its cleanliness.

Benefits of Using Bar Soap for Traveling

Opting for bar soap instead of liquid soap during your travels brings several notable benefits. Here’s why bar soap may be the better choice for your upcoming adventure:

Environmental Benefits
One of the most persuasive arguments for choosing bar soap is its environmental friendliness. Bar soap generally has minimal packaging, often encased in paper or cardboard, both of which are biodegradable and recyclable. This sharply contrasts with liquid soap, which typically comes in plastic bottles.

Decreased Plastic Waste

By selecting bar soap over a liquid soap bottle, you contribute to less single-use plastic waste. This choice aids in combating plastic pollution, a significant environmental concern.

Sustainable Options

Numerous bar soaps are made from natural ingredients and produced by companies that follow sustainable practices. By choosing these products, you support eco-conscious businesses and help foster a healthier planet.

Practicality
Traveling with bar soap is exceptionally practical compared to liquid soap. Liquid soaps must comply with TSA’s 3-1-1 liquid rule, meaning they need to fit into a quart-sized plastic bag and are limited in quantity.

No Spills or Leaks

Bar soap removes the chance of spills or leaks in your luggage. You won’t have to stress about a bottle bursting or a cap coming loose and creating a soapy disaster. This makes bar soap a hassle-free choice for travelers.

Simple to Pack

Bar soap can be packed anywhere in your luggage without worry about liquid restrictions. This makes the packing process easier and enables more flexibility in arranging your toiletries.

Space Efficiency
Another key benefit of bar soap is its compact and lightweight nature. This is especially advantageous for travelers aiming to pack lightly or those with limited space.

Compact Dimensions

Bar soaps are typically smaller and occupy less space than liquid soap bottles. This makes them perfect for fitting into carry-on bags, toiletry kits, or even tiny pockets in your luggage.

Light Weight

Bar soaps are generally lighter than liquid soap bottles, especially as you use them. This can help keep your luggage within weight constraints, which is crucial for air travel, where there are often baggage weight limits.

Extra Advantages of Bar Soap

Durability: Bar soaps generally outlast their liquid versions, as it’s simpler to manage the amount you use each time. This can mean you won’t need to replace them as often, making it economical and convenient for longer journeys.

Versatility: Many bar soaps can be used for multiple purposes. You can use them for hand-washing, body cleansing, and sometimes even facial cleansing, cutting down on the number of products you need to carry and saving space.

Traveling with bar soap brings a wealth of advantages, from lessening your environmental footprint to providing practical benefits like preventing spills and conserving space. Its eco-friendliness, ease of packing, and compact nature make it a stellar option for any traveler who wants to streamline their packing routine while positively impacting the planet. Consider the benefits of bar soap on your next expedition and experience a cleaner, greener, and more uncomplicated travel journey.

Traveling with bar soap brings a wealth of advantages, from lessening your environmental footprint to providing practical benefits like preventing spills and conserving space. Its eco-friendliness, ease of packing, and compact nature make it a stellar option for any traveler who wants to streamline their packing routine while positively impacting the planet.

Consider the benefits of bar soap on your next expedition and experience a cleaner, greener, and more uncomplicated travel journey.

Frequently Asked Questions About Soap In Luggage

How Many Bars of Soap Can You Bring on a Plane?

US citizens can bring bars of soap in their carry-on luggage without any specific limit, as long as they fit within the overall liquid and gel restrictions. Each container of liquid soap must be 3.4 ounces (100 milliliters) or less and should be placed in a quart-sized bag.

Solid bars of soap are generally not restricted in quantity, but it’s advisable to keep them within reasonable amounts to avoid extra scrutiny at security checkpoints. Always check the latest TSA guidelines before traveling for any updates.

What is Not Allowed in Your Carry-On?

When traveling with a carry-on, certain items are prohibited by the TSA. Here’s a list of common items not allowed:

Prohibited Items

  • Liquids over 3.4 ounces: All liquids, gels, and aerosols must be in containers of 3.4 ounces (100 ml) or less.
  • Sharp Objects: Knives, scissors, and other sharp items.
  • Flammable Items: Lighters, matches, and other flammable materials.
  • Explosives: Fireworks and other explosive devices.
  • Self-Defense Items: Pepper spray, stun guns, and similar items.
  • Sporting Goods: Baseball bats, golf clubs, and other large sporting equipment.
  • Alcoholic beverages over 3.4 ounces in a carry-on or over 5 liters in checked bags
  • Alcoholic beverages over 140-proof
  • Bear spray
  • Box cutters, knives, and other sharp objects in carry-on bags (if properly secured, they can go in checked bags)

Always check the TSA website for the most current regulations before your flight!

Can You Bring Liquid Soap on a Plane?

Yes, you can bring liquid soap on a plane, but it must comply with TSA regulations. Each container of liquid soap must be 3.4 ounces (100 milliliters) or less. All containers should fit into a single quart-sized, clear plastic bag.

If you have larger bottles, they should be packed in checked luggage. Solid soap bars are not subject to these liquid restrictions and can be brought in any quantity in your carry-on.

What Toiletries Can You Take on a Plane?

When traveling by plane, you can take various toiletries, including zero-waste options. Here’s a list:

Allowed Toiletries

  • Zero Waste Solid Shampoo and Conditioner Bars: These are compact and free from plastic packaging.
  • Reusable Toothbrush: Opt for bamboo or other eco-friendly materials.
  • Toothpaste Tablets: These come in small, waste-free packaging.
  • Solid Deodorant: Choose a plastic-free stick or jar.
  • Zero Waste Shaving Bars
  • Liquid Toiletries: Must be in containers of 3.4 ounces (100 ml) or less, fitting in a quart-sized bag.
Are Tangie Products TSA approved?

Yes! All Tangie products are TSA-approved and meet the necessary regulations required for soap bars and shampoo bars. Always check the specific product packaging and the TSA website for the latest guidelines before traveling to ensure compliance.

Author:

Angie Ringler

Written by Angie Ringler. Hi! I am the founder of Tangieco. I am a dedicated advocate for sustainable living and eco-conscious choices. A self proclaimed tree hugger.

I write to inspire and empower you to embrace a greener lifestyle. Through articles, innovative products, and a commitment to showing you ways to eliminate harmful chemicals from the products around you.

Tangie Shampoo BarsDoes Shampoo Expire? - How Long Does Shampoo Last
Lake Michigan with the Detroit skyline in the backgroundHow To Reduce Plastic Waste In 2025

Healthier for you and the planet

Buy from our zero-waste store online & get rewards with every purchase!

truck-purple
Free shipping on orders over $68
package-purple
Compostable packaging
fav-purple
2,000+ reviews of happy customers
leaf-purple
Vegan, bio safe, plastic free products
Go to Top