
If you're wondering whether you can bring shampoo on a plane, the answer is yes. However, there are some restrictions. The Transportation Security Administration (TSA) has specific rules regarding what you can and cannot bring in your carry-on and checked luggage. Liquids in carry-ons must adhere to the 3-1-1 rule: containers must be 3.4 ounces (100 ml) or less, all must fit in a one-quart-sized clear bag, and each passenger is allowed one bag. This rule applies to liquids, gels, creams, pastes, and aerosols. If you need to bring more shampoo than the 3.4-ounce limit, you can pack full-size bottles in your checked luggage without quantity restrictions. Alternatively, you can purchase travel-size shampoo or refill small bottles to meet the carry-on requirements. Solid shampoo bars are also a great alternative that doesn't have the same liquid restrictions.
| Characteristics | Values |
|---|---|
| Allowed quantity in carry-on bags | 7-8 small bottles of 3.4 fl oz each |
| Allowed quantity in checked bags | No limit |
| Container size | 3.4 fl oz (100 ml) |
| Container type | Plastic quart-sized bag |
| Allowed types | Liquid, gel, dry, powder, medical, bar |
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What You'll Learn

Liquid shampoo bottles must be under 3.4oz (100ml) in carry-on luggage
Shampoo is allowed in carry-on luggage, but only if the bottle is under 3.4oz (100ml). This is due to the Transportation Security Administration's (TSA) 3-1-1 rule, which limits the amount of liquids, gels, creams, pastes and aerosols that can be carried onto a flight. Each liquid container must be 3.4oz or less and fit inside a one-quart-sized clear zip-top bag. One bag is permitted per passenger.
If you need to bring more shampoo than 3.4oz, you can pack it in your checked luggage without quantity limitations. You can also purchase shampoo at the airport after the security checkpoint or at your destination.
It's worth noting that solid shampoo bars are not subject to the same restrictions as liquid shampoo and can be packed freely in carry-on or checked luggage.
If you have a prescription for medicated shampoo, the TSA may allow you to bring larger bottles, but it's recommended to bring only what you need in a 3.4oz container to avoid any issues.
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There are no quantity limits for shampoo in checked bags
If you're travelling with shampoo, it's important to know the rules about what you can and can't bring to the airport. The rules differ depending on whether you're packing your shampoo in a carry-on bag or a checked bag.
When it comes to checked bags, there are no quantity limits for shampoo. This means you can pack as many full-size bottles of shampoo as you like. There are also no restrictions on the type of shampoo you can bring—liquid, gel, or powder shampoo are all allowed in checked bags. This is because the restrictions on liquids only apply to carry-on luggage.
The Transportation Security Administration (TSA) has specific rules about what you can bring in carry-on luggage. Liquids in carry-ons must follow the 3-1-1 rule: each liquid container must be 3.4 ounces (100ml) or less, all liquid containers must fit in one quart-sized clear bag, and each passenger is allowed one bag. This means that if you want to bring shampoo in your carry-on, it must be in a small, travel-sized bottle. You can bring as many 3.4-ounce bottles as will fit in your quart-sized bag, as long as you can close it.
If you're bringing medically necessary liquids, gels, or aerosols, you can bring them separately from your quart-size bag. However, you must declare these items when you go through the security screening checkpoint, and it's recommended that you bring a copy of your prescription or a doctor's note.
To avoid any issues, it's always a good idea to check the TSA website or tweet a photo of the item to @AskTSA to confirm whether it's allowed in carry-on or checked luggage.
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Solid shampoo bars are unrestricted in carry-on luggage
If you're packing for a trip, it's important to consider the restrictions on what you can bring. Liquids, gels, and aerosols are restricted in carry-on luggage and must adhere to specific size and packaging requirements. This includes liquid shampoo, which must be in containers of 3.4 ounces (100 milliliters) or smaller and fit into a single quart-sized clear plastic bag. These restrictions are in place to facilitate the screening process and ensure the safety of passengers.
However, solid shampoo bars offer a convenient alternative for travellers. Unlike liquid shampoos, solid shampoo bars are unrestricted in carry-on luggage. You can pack them freely in your carry-on bag without worrying about size or weight limitations. Solid shampoo bars provide a hassle-free option, ensuring you have your preferred shampoo available throughout your travels.
The Transportation Security Administration (TSA) has confirmed that solid shampoo bars are allowed in carry-on bags without restriction. This means you can bring your favourite solid shampoo bar with you without worrying about compliance. Solid shampoo bars are also a great way to save space in your luggage, as they eliminate the need for bulky shampoo bottles.
Additionally, solid shampoo bars offer a cost-effective solution. Buying shampoo at the airport can be expensive, and checking in luggage incurs additional fees. By opting for a solid shampoo bar, you can avoid these extra costs and pack efficiently. Solid shampoo bars are readily available online and at various retailers, offering a range of options for different hair types and scalp conditions.
When packing a solid shampoo bar, consider using a travel soap case to keep it dry and prevent it from becoming mushy. This simple addition to your luggage will ensure your solid shampoo bar remains in good condition throughout your journey. So, if you're looking for a convenient, unrestricted option for your carry-on luggage, solid shampoo bars are an excellent choice.
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$9.5

Medicated shampoo is allowed with a prescription
Medicated shampoos are allowed on flights, but they must adhere to the same restrictions as regular shampoos. The Transportation Security Administration (TSA) in the United States has established a 3-1-1 rule for liquids, which includes shampoo. According to this rule, each liquid container must be 3.4 ounces or 100 ml or less and must fit inside a one-quart-size clear zip-top bag. This restriction applies to carry-on bags, and there is a limit of one bag per person.
If you need to bring a larger bottle of medicated shampoo, you can pack it in your checked baggage without quantity limitations. However, it is recommended to check with your airline's specific guidelines and restrictions before packing liquids in your checked luggage. Additionally, ensure that the bottle is not too empty, and consider wrapping it in plastic to prevent leaks due to cabin pressure changes during the flight.
When bringing medicated shampoo with a prescription, it is advisable to keep the medication with you or attach the prescription to the bottle. Although TSA does not require prescriptions for checking liquids, having the prescription handy can facilitate the screening process and ease your travel experience. If your medicated shampoo triggers an alarm during screening, appears tampered with, or raises security concerns, it may be subject to additional screening or may not be allowed through the checkpoint, with the final decision resting with the TSA officer.
It is worth noting that solid shampoo bars are an alternative option to liquid shampoos. These solid shampoos do not have the same liquid restrictions and can be packed freely in carry-on or checked luggage without the need for a plastic bag.
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Shampoo is subject to the TSA 3-1-1 liquids rule
This means that you can bring shampoo bottles that are 3.4 fl oz or smaller and ensure they fit within the quart-sized bag. You can bring as many of these small bottles as can fit within the bag. For example, if shampoo is the only liquid you're bringing, you may be able to fit seven or eight small 1 oz bottles.
If you need to bring more than 3.4 fl oz of shampoo, you can pack it in your checked luggage without quantity limitations. However, be aware that there is a slight possibility of shampoo bottles exploding in checked baggage due to cabin pressure changes. To avoid this, ensure the bottle is not too empty and consider wrapping it in plastic to prevent leaks.
Alternatively, you can consider solid shampoo bars, which are not subject to the same restrictions as liquid shampoos. These can be packed freely in carry-on or checked luggage.
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Frequently asked questions
Yes, you can bring shampoo on a plane in both your carry-on and checked bags.
You are limited to bottles of shampoo that do not exceed 3.4 oz or 100 ml if packed in your carry-on. You can bring as many 3.4 oz bottles as will fit in a 1-quart-sized clear zip-top bag.
Yes, solid shampoo bars are a great alternative to liquid shampoo. These can be packed freely in carry-on or checked luggage without restriction.
Yes, if you have a small bottle of medicated shampoo and show your prescription to a TSA agent, they should allow you to bring it through.
Yes, you can bring other toiletries in your carry-on bag as long as they follow the 3-1-1 rule. This includes aerosols like hairspray, deodorant and mousse; shower gel or body wash; toothpaste; and miscellaneous cosmetics, creams and moisturizers.











































