
Travelling with powders can be stressful, as they can obstruct x-ray images, leading to additional screening and delays. In 2018, the USA and Australia imposed restrictions on powder products, including food and cosmetics. Powders over 350ml or 12 oz must be placed in a separate bin for X-ray screening, and may require additional checks. While inorganic powders, such as talcum, baby, and foot powder, are restricted to 350g in total, there are currently no limits on organic powders, such as coffee and protein powders. However, these must be displayed when going through security. To minimise delays, it is recommended to place non-essential powders in checked baggage.
| Characteristics | Values |
|---|---|
| Powder allowance in the US | Powder-like substances greater than 12 oz. / 350 mL must be placed in a separate bin for X-ray screening. |
| Powder allowance outside the US | No restrictions |
| Powder allowance in Australia | No restrictions on baby powder or food powder in your hand luggage, but talcum powder must weigh less than 350g in total. |
| Additional screening | Powder-based substances in carry-on baggage greater than 350 mL or 12 oz. may require additional screening at the central checkpoint. |
| Containers | Containers may need to be opened for additional screening. |
| Delays | Food items and powders in hand luggage can obstruct images on X-ray machines, causing delays. |
| Minimising delays | Powders can be put in hold luggage to minimise delays. |
| Powder types | There is currently no restriction on how many 'organic' powders you can fly with, but they must be displayed when you go through security. |
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What You'll Learn

Powdered substances in hand luggage
The rules and regulations regarding carrying powdered substances in hand luggage differ from country to country. In the US, any powder-based substances in carry-on baggage greater than 12 oz or 350 ml may require additional screening at the central checkpoint. Powder-like substances over 12 oz or 350 ml in carry-on baggage that cannot be resolved at the central checkpoint will not be permitted onto the aircraft and will be disposed of. The TSA recommends placing non-essential powders greater than 12 oz in checked bags.
In Australia, there are no restrictions on baby powder or food powder in hand luggage. However, inorganic powder products, such as talcum powder, must weigh less than 350g in total.
In the UK, there are currently no restrictions on the amount of powder that can be carried in hand luggage. However, food items and powders in hand luggage can obstruct x-ray machine images, which may lead to additional manual checks by security. To minimise delays, it is recommended to place powders in hold luggage.
While there are no standard international rules regarding carrying powders in hand luggage, it is generally advisable to declare and display powder-like substances during security checks. Some travellers recommend removing powder containers from hand luggage to facilitate easier screening. It is also important to note that certain powder-like substances, such as coffee, may receive extra scrutiny from security personnel.
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Powder weight restrictions
The weight restrictions on powders brought through airport security vary depending on the type of powder and the country. Inorganic powders, such as talcum, baby, foot, and deodorant powder, are restricted and must be displayed at airport security. These powders must weigh 350 grams or less to be allowed in carry-on baggage. This restriction is in place in the USA, Australia, and the UK. Organic powders, such as food and protein powders, are not restricted in terms of weight, but they must also be displayed when going through security.
In the United States, powder-like substances greater than 12 ounces or 350 milliliters must be placed in a separate bin for X-ray screening and may require additional screening. If the substance cannot be resolved at the central checkpoint, it will not be allowed onto the aircraft and will be disposed of. This regulation has been in place since June 30, 2018, for passengers traveling from an international last point of departure to the US. Passengers are encouraged to place non-essential powders greater than 12 ounces in checked bags.
In Australia, there are no restrictions on baby powder or food powder in carry-on luggage. However, talcum powder must weigh less than 350 grams.
In the UK, there are currently no weight restrictions on powders, but the government website recommends placing powders in hold luggage to minimize delays as they can obstruct images on X-ray machines.
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Inorganic vs organic powders
Powders are permitted in carry-on luggage when travelling by air, except when travelling to and from the US. In this case, powder-based substances in carry-on baggage greater than 350 ml or 12 oz may require additional screening and, if unresolved, will not be allowed onto the cabin of the aircraft. To minimise delays, powders can be placed in checked baggage.
When considering the differences between inorganic and organic powders, it is important to note that they have distinct characteristics and applications.
Inorganic powders are chemical compounds that exclude organic hydrocarbons and their derivatives. They are often rigorously purified to achieve high purity levels, sometimes exceeding 99.9%. These powders are essential in modern science and industry, playing a crucial role in the development of optical materials, photonics, technical ceramics, glass, electronics, and sustainable energy solutions. Examples of inorganic powders include alumina, silicon, titanium dioxide, rare earth oxides, and various metal powders.
On the other hand, organic powders refer to natural products derived from fruits, vegetables, and other superfoods. They are often marketed as health supplements, providing a convenient way to boost nutrient intake. Organic powders can be mixed with water, juice, or smoothies, offering a versatile means to consume essential nutrients. Examples of organic powders include coconut water powder, maca, acai, cacao, matcha, spirulina, wheatgrass, and goji berry.
In summary, the key distinction between inorganic and organic powders lies in their composition and intended use. Inorganic powders are synthetic chemical compounds with specific industrial applications, while organic powders are derived from natural sources and are primarily used as health supplements.
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Powder containers
When travelling with powders, it is important to follow the guidelines of the airport and country you are in. Inorganic powders, such as talcum, baby, foot, and deodorant powder, are restricted and must be displayed at airport security. These powder products must be 350 grams or less. Organic powders, such as coffee and protein powders, are not restricted, but they must be displayed when going through security.
If you are travelling to or from the US, powder-based substances in carry-on baggage greater than 350ml or 12 oz may require additional screening at the central checkpoint. Powder-like substances over 12 oz or 350ml in carry-on that cannot be resolved at the central checkpoint will not be allowed onto the cabin of the aircraft and will be disposed of. It is recommended to place powders in checked bags to minimize delays.
When choosing a container for your powders, consider using sturdy, airtight containers that will keep your powders secure and fresh. Here are some options:
- Plastic screw-top containers: These containers are lightweight, durable, and come in various sizes. Look for ones with secure screw-top lids to prevent leaks and spills.
- Metal canisters with latching lids: Metal canisters offer additional protection and insulation for your powders, and the latching lid provides extra security during travel.
- Silicone sealable bags: Silicone bags are flexible, lightweight, and airtight. They are also reusable and easy to clean, perfect for eco-conscious travellers.
- Individual serving sizes: Consider measuring out individual serving sizes of powder into small, zip-lock bags. This saves space and makes it easier to grab a serving when needed.
- Shaker bottle: If you are travelling with protein powder, bring your own shaker bottle and add water or your preferred liquid once you're through airport security.
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X-ray machine obstruction
X-ray machines are an essential component of airport security systems. They are used to scan carry-on items and checked luggage for dangerous or restricted items. These machines use dual-energy X-ray systems with a single X-ray source that emits X-rays in the range of 140 to 160 kilovolt peak (KVP). The KVP value determines the penetration of the X-ray, with higher values penetrating further.
However, certain items can obstruct X-ray images, hindering the screening process. Powders are one such item that can cause issues. Food items and powders in hand luggage can obstruct X-ray images, leading to manual checks by security personnel. To minimise delays, it is recommended to place powders in checked luggage. This recommendation is especially relevant when travelling to or from the US, as powder-based substances in carry-on baggage above a certain volume may require additional screening and may even be disposed of if they cannot be resolved at the central checkpoint.
Inorganic powders, such as talcum, baby, foot, and deodorant powders, are subject to restrictions. These powders must be displayed during security checks and are typically limited to a total weight of 350 grams or less. Organic powders, such as coffee and protein powders, do not currently have quantity restrictions, but they must also be presented during security screening.
To facilitate the screening process, it is advisable to keep your bags organised and follow the guidelines provided by the Transportation Security Administration (TSA). They may instruct travellers to separate items like powders, foods, and other clutter-causing items from carry-on bags to obtain clear X-ray images. Additionally, TSA officers employ other screening equipment, such as metal detectors, millimeter wave machines, and advanced imaging technology, to ensure a comprehensive security check.
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Frequently asked questions
Yes, you can bring powder in your carry-on luggage when travelling internationally. However, it may be searched or swabbed, and powder-like substances over 12 oz or 350 mL may require additional screening and will not be allowed onto the cabin of the aircraft.
It is recommended to place non-essential powders in checked bags to minimise delays. If you are bringing powder in your carry-on luggage, it is best to have it easily accessible for screening.
Yes, there are restrictions on "inorganic" powders, such as beauty products like talcum, baby, foot, and deodorant powder. These products must be displayed at airport security and must be 350g or less. There are currently no restrictions on how many "organic" powders, such as food products, you can bring.











































