Packing for a flight can be stressful, especially when you’re unsure what you can bring through airport security. Whether you’re traveling for business, taking a family vacation, or flying internationally, understanding TSA Liquid Rules 2026 can help you avoid delays, extra screening, and having your items confiscated.
Many travelers still arrive at security checkpoints with oversized shampoo bottles, full water bottles, or cosmetics that exceed the allowed limits. These mistakes can slow down your screening process and may even require you to throw away expensive products before boarding.
This comprehensive guide explains everything you need to know about TSA Liquid Rules 2026, including the latest carry-on restrictions, the 3-1-1 liquids rule, exceptions for medications and baby items, practical packing advice, and expert travel tips to make your airport experience smoother.
Quick Answer
If you’re flying within or from the United States, TSA Liquid Rules 2026 generally follow the familiar 3-1-1 rule for carry-on bags:
| Rule | Requirement |
| 3 | Each liquid container must be 3.4 ounces (100 ml) or smaller. |
| 1 | All liquid containers must fit inside one clear, quart-sized zip-top bag. |
| 1 | Each passenger may carry one quart-sized liquids bag through security. |
Certain items such as prescription medications, medically necessary liquids, baby formula, breast milk, and toddler drinks may be allowed in larger quantities after additional screening.
Why TSA Liquid Rules Exist
The Transportation Security Administration (TSA) introduced liquid restrictions to improve aviation security by reducing potential risks associated with carrying large quantities of certain liquids onto commercial aircraft.
Today’s rules are designed to balance passenger convenience with airport security. Although security technology continues to improve, the liquid restrictions remain an important part of the screening process at most U.S. airports.
For travelers, following these guidelines means:
- Faster security screening
- Fewer bag inspections
- Less chance of losing expensive toiletries
- Reduced delays at TSA checkpoints
- A smoother travel experience
Understanding the TSA 3-1-1 Rule
The foundation of TSA Liquid Rules 2026 is the well-known 3-1-1 Rule.
Many travelers hear this phrase but aren’t completely sure what each number represents.
Here’s an easy explanation.
What Does 3-1-1 Mean?
3 = 3.4-ounce (100 ml) containers
Every liquid, gel, cream, aerosol, or paste in your carry-on must be stored in a container that holds no more than 3.4 ounces (100 milliliters).
Even if a larger bottle contains only a small amount of liquid, it is generally not permitted if the container itself exceeds 3.4 ounces.
Example:
- ✅ 3 oz shampoo bottle
- ✅ 2 oz sunscreen
- ❌ 12 oz shampoo bottle with only 2 oz remaining
The container size—not the amount left inside—is what matters during screening.
1 = One Quart-Sized Bag
All your travel-size liquids must fit comfortably inside one transparent, resealable quart-sized plastic bag.
The bag should close completely without being overstuffed.
Typical items include:
- Shampoo
- Conditioner
- Toothpaste
- Lotion
- Face wash
- Sunscreen
- Hand sanitizer
- Hair gel
- Perfume
- Liquid makeup
1 = One Bag Per Traveler
Each traveler is generally allowed one quart-sized liquids bag in their carry-on luggage.
If you’re traveling with family, each person may bring their own bag, provided each traveler carries it through security.
What Counts as a Liquid Under TSA Rules?
One of the biggest sources of confusion is determining what TSA considers a liquid.
Many everyday products that don’t seem “liquid” are still treated as liquids during airport screening.
Common Items Considered Liquids
| Item | Counts as Liquid? |
| Shampoo | ✅ Yes |
| Conditioner | ✅ Yes |
| Toothpaste | ✅ Yes |
| Lotion | ✅ Yes |
| Face cream | ✅ Yes |
| Sunscreen lotion | ✅ Yes |
| Gel deodorant | ✅ Yes |
| Hair gel | ✅ Yes |
| Liquid foundation | ✅ Yes |
| Mascara | ✅ Yes |
| Lip gloss | ✅ Yes |
| Perfume | ✅ Yes |
| Mouthwash | ✅ Yes |
| Liquid soap | ✅ Yes |
| Peanut butter | ✅ Yes |
| Yogurt | ✅ Yes |
| Hummus | ✅ Yes |
| Honey | ✅ Yes |
| Salsa | ✅ Yes |
| Jam | ✅ Yes |
Many food items with a spreadable or creamy consistency are treated as liquids.
Items That Usually Are NOT Considered Liquids
| Item | Liquid? |
| Powder makeup | ❌ No |
| Lipstick | ❌ Usually No |
| Powder protein | ❌ No |
| Solid soap | ❌ No |
| Solid deodorant | ❌ No |
| Dry snacks | ❌ No |
| Crackers | ❌ No |
| Cookies | ❌ No |
| Chocolate bars | ❌ No |
Carry-On Liquids vs Checked Bag Liquids
Understanding the difference between carry-on and checked baggage rules can save both time and money.
| Feature | Carry-On | Checked Bag |
| 3.4 oz limit | ✅ Yes | ❌ No |
| Quart-size bag required | ✅ Yes | ❌ No |
| Large shampoo bottles | ❌ No | ✅ Yes |
| Large lotion bottles | ❌ No | ✅ Yes |
| Large sunscreen | ❌ No | ✅ Yes |
| Large perfume bottles | ❌ No | ✅ Yes |
| Security screening | Yes | Yes (different process) |
For most travelers, packing full-size toiletries in checked baggage is much more convenient, while keeping only travel-size essentials in carry-on luggage.
Featured Snippet: What Is the TSA Liquid Limit in 2026?
The TSA liquid limit in 2026 allows passengers to carry liquids, gels, creams, aerosols, and pastes in containers of up to 3.4 ounces (100 ml) each. All containers must fit into one clear, quart-sized resealable plastic bag, with one bag allowed per traveler. Certain medically necessary liquids, baby formula, breast milk, and other approved exceptions may be carried in larger quantities after additional security screening.
Are Empty Water Bottles Allowed?
Yes.
You can bring an empty reusable water bottle through TSA security without any issues. Once you’ve cleared the checkpoint, simply refill it at a water fountain or bottle filling station inside the airport.
This is one of the easiest ways to save money, reduce plastic waste, and stay hydrated during your trip.
However:
- ✅ Empty bottle — Allowed
- ❌ Full bottle of water over 3.4 oz — Not allowed through security
- ✅ Refill after security — Allowed
Can You Bring Toiletries in Your Carry-On?
Yes, provided each item follows the TSA Liquid Rules 2026 and fits within the 3-1-1 requirements.
Common travel toiletries include:
- Travel-size shampoo
- Conditioner
- Body wash
- Face cleanser
- Moisturizer
- Toothpaste
- Mouthwash
- Sunscreen
- Hand sanitizer
- Hair gel
- Perfume
- Liquid makeup
Using reusable travel bottles can help you pack efficiently while staying within TSA limits.
Key Takeaways
- Follow the 3-1-1 rule for all carry-on liquids.
- Use containers of 3.4 ounces (100 ml) or less.
- Pack liquids in one clear quart-sized bag.
- Remember that many gels, creams, and even some foods count as liquids.
- Place larger toiletries in checked baggage whenever possible.
- Bring reusable empty water bottles and refill them after security.
TSA Liquid Rules 2026 for Medications
One of the most common questions travelers ask is whether prescription medications must follow the standard TSA Liquid Rules 2026. Fortunately, the answer is often no.
The TSA allows medically necessary liquids in quantities greater than 3.4 ounces (100 ml) when they are needed during travel. These items are subject to additional screening, but they are generally permitted.
Medically Necessary Liquids That Are Usually Allowed
- Prescription liquid medications
- Over-the-counter liquid medicines
- Insulin
- Saline solution
- Contact lens solution (when medically necessary)
- Nutritional supplements required for medical conditions
- Gel ice packs used to keep medication cold (when frozen at screening or accompanying medication)
Tips for Traveling with Medication
- Keep medications in your carry-on bag.
- Carry prescription labels whenever possible.
- Inform the TSA officer before screening if you have medically necessary liquids.
- Pack medications separately so they are easy to inspect.
- Bring only the amount you reasonably need for your trip.
Medication Rules at a Glance
| Item | More Than 3.4 oz Allowed? | Additional Screening? |
| Prescription medicine | ✅ Yes | ✅ Yes |
| Liquid antibiotics | ✅ Yes | ✅ Yes |
| Insulin | ✅ Yes | ✅ Yes |
| Saline solution | ✅ Yes | ✅ Yes |
| Eye drops | Usually Yes | Sometimes |
| Contact lens solution | Usually Yes | Sometimes |
Traveling with Baby Formula, Breast Milk, and Toddler Drinks
Parents often worry about airport security, but TSA Liquid Rules 2026 include important exceptions for infants and young children.
If you’re traveling with a baby or toddler, you may bring reasonable quantities of:
- Baby formula
- Breast milk
- Toddler drinks
- Baby food pouches
- Purees
- Juice for infants
- Cooling accessories needed for baby food
These items do not have to fit inside your quart-sized liquids bag.
However, expect TSA officers to perform additional screening.
Helpful Tips for Parents
- Separate baby items before reaching security.
- Tell the TSA officer that you’re carrying infant supplies.
- Allow extra time for screening.
- Pack enough supplies for travel delays.
Baby Item Comparison
| Item | 3.4 oz Limit Applies? |
| Baby formula | ❌ No |
| Breast milk | ❌ No |
| Toddler drinks | ❌ No |
| Baby food | ❌ No |
| Juice for infants | ❌ No |
Duty-Free Liquids
If you purchase alcohol, perfume, or other liquids from a duty-free shop after passing airport security, they are generally allowed on board.
For international travel, duty-free liquids are usually packed in a sealed, tamper-evident security bag along with your receipt.
Avoid opening the sealed bag until you reach your final destination, especially if you’ll pass through another security checkpoint during a connecting flight.
Duty-Free Travel Tips
- Keep your receipt.
- Leave the security bag sealed.
- Check the rules for your destination country.
- Verify airline baggage policies for fragile items.
TSA Liquid Rules 2026 for International Flights
The TSA governs departures from U.S. airports, but international travelers should also understand that security rules may vary by country.
Many countries follow the same 100 ml (3.4 oz) carry-on liquid standard, but screening procedures can differ.
Before You Fly Internationally
Check:
- Airline baggage policies
- Destination country security requirements
- Transit airport rules
- Customs regulations for food and beverages
Being prepared can prevent delays during connecting flights.
Can You Bring Makeup on a Plane?
Yes.
Most makeup products are allowed, but whether they count as liquids depends on their form.
Makeup Rules
| Makeup Product | Liquid Rule Applies? |
| Liquid foundation | ✅ Yes |
| Concealer | ✅ Yes |
| Mascara | ✅ Yes |
| Lip gloss | ✅ Yes |
| Cream blush | ✅ Yes |
| Powder foundation | ❌ No |
| Powder blush | ❌ No |
| Eyeshadow palette | ❌ No |
| Makeup brushes | ❌ No |
| Pencil eyeliner | ❌ No |
Packing powder cosmetics instead of liquid versions can save valuable space in your quart-sized bag.
Can You Bring Toiletries on a Plane?
Yes—but carry-on toiletries must follow the 3-1-1 rule.
Common Toiletries Allowed
| Item | Carry-On | Checked Bag |
| Shampoo | Travel-size only | ✅ Yes |
| Conditioner | Travel-size only | ✅ Yes |
| Toothpaste | Travel-size only | ✅ Yes |
| Body wash | Travel-size only | ✅ Yes |
| Sunscreen | Travel-size only | ✅ Yes |
| Lotion | Travel-size only | ✅ Yes |
| Mouthwash | Travel-size only | ✅ Yes |
| Perfume | Travel-size only | ✅ Yes |
| Hair gel | Travel-size only | ✅ Yes |
Can You Bring Food Through TSA?
Solid food is generally allowed, but foods with a liquid, creamy, or spreadable consistency may be treated as liquids.
Food Examples
| Food | Allowed in Carry-On? |
| Sandwich | ✅ Yes |
| Chips | ✅ Yes |
| Cookies | ✅ Yes |
| Nuts | ✅ Yes |
| Fresh fruit | ✅ Yes |
| Peanut butter | Subject to liquid rules |
| Yogurt | Subject to liquid rules |
| Hummus | Subject to liquid rules |
| Salsa | Subject to liquid rules |
| Honey | Subject to liquid rules |
| Soup | Subject to liquid rules |
TSA Packing Checklist for Liquids
Before heading to the airport, use this checklist to make sure your bag complies with TSA Liquid Rules 2026.
✔ Carry-On Liquids Checklist
- ✔ All liquid containers are 3.4 oz (100 ml) or smaller
- ✔ Liquids fit inside one clear quart-sized bag
- ✔ Quart-sized bag closes completely
- ✔ Large toiletries packed in checked baggage
- ✔ Prescription medications packed separately
- ✔ Baby formula separated for screening
- ✔ Empty reusable water bottle packed
- ✔ Duty-free liquids remain sealed
- ✔ Toiletries are easy to access during screening
Common Mistakes Travelers Make
Even experienced travelers make simple packing mistakes that can slow down security screening.
1. Bringing Full-Size Shampoo Bottles
A half-empty 12-ounce bottle is still considered a 12-ounce container and usually won’t be allowed through security.
2. Forgetting About Toothpaste
Many travelers don’t realize toothpaste is classified as a liquid.
3. Packing Too Many Liquids
Even travel-size bottles must fit inside one quart-sized bag.
4. Carrying a Full Water Bottle
Drink it or empty it before reaching the TSA checkpoint.
5. Mixing Medications with Toiletries
Keeping medically necessary liquids separate can speed up the screening process.
6. Overstuffing the Quart Bag
If the bag won’t close properly, TSA may require you to remove items.
Expert Tips for Faster TSA Screening
Experienced travelers use a few simple strategies to move through airport security more efficiently.
1. Buy Refillable Travel Bottles
Transfer shampoo, lotion, and body wash into TSA-compliant travel containers.
2. Use Solid Toiletries
Solid shampoo bars, conditioner bars, soap bars, and stick deodorants don’t count toward your liquids allowance.
3. Pack Smart
Place your quart-sized liquids bag near the top of your carry-on so you can remove it quickly if requested.
4. Check Your Airline’s Rules
Some airlines have additional baggage restrictions, especially on international routes.
5. Arrive Early
If you’re traveling with medications, infant supplies, or medical devices, allow extra time for security screening.
6. Review Rules Before Every Trip
Airport security policies can evolve over time. Checking the latest guidance before you fly helps avoid surprises and makes your journey smoother.
Pros and Cons of TSA Liquid Rules 2026
| Pros | Cons |
| Enhances aviation security | Limits the amount of liquids you can carry in your cabin bag |
| Creates a consistent screening process across U.S. airports | Travelers must transfer products into smaller containers |
| Helps speed up security when rules are followed | Some items require additional screening |
| Provides exceptions for medications and baby supplies | First-time travelers may find the rules confusing |
| Encourages travelers to pack efficiently | Premium toiletries may need to go in checked baggage |
FAQs
What are the TSA Liquid Rules 2026?
The TSA Liquid Rules 2026 require passengers to carry liquids, gels, creams, aerosols, and pastes in containers of 3.4 ounces (100 ml) or less. These containers must fit into one clear, quart-sized, resealable plastic bag. Each traveler is generally allowed one such bag in their carry-on luggage.
Can I bring a full-size shampoo bottle in my carry-on?
No. Even if the bottle contains only a small amount of shampoo, the container itself must not exceed 3.4 ounces (100 ml). Larger bottles should be packed in checked baggage.
Is toothpaste considered a liquid by TSA?
Yes. Toothpaste is classified as a paste and is subject to the same liquid restrictions as shampoo, lotion, and gels. It must be in a travel-size container if packed in your carry-on.
Can I bring an empty water bottle through airport security?
Yes. Empty reusable water bottles are allowed through the security checkpoint. You can refill them after passing through security at a water fountain or bottle filling station.
Are prescription medications exempt from the liquid limit?
Yes. Medically necessary liquids, including many prescription medications, insulin, and certain medical supplies, may be carried in quantities larger than 3.4 ounces. Inform the TSA officer before screening, as these items may require additional inspection.
Does makeup count as a liquid?
Some makeup products do. Liquid foundation, mascara, lip gloss, cream blush, and liquid concealer are treated as liquids. Powder makeup, lipstick, and makeup brushes generally are not.
Can I carry baby formula and breast milk?
Yes. Baby formula, breast milk, toddler drinks, and baby food are generally exempt from the standard liquid limit when traveling with an infant or young child. These items may undergo additional screening.
Do TSA liquid rules apply to checked baggage?
No. The 3-1-1 rule applies only to carry-on bags. Most full-size toiletries and liquids can be packed in checked baggage, although hazardous materials and certain restricted items remain prohibited.
What happens if I accidentally pack an oversized liquid?
If a liquid container exceeds the allowed size and does not qualify for an exception, you will typically need to discard it before proceeding through security or place it in checked baggage if time allows
Have TSA Liquid Rules changed in 2026?
The core 3-1-1 rule remains the standard for most U.S. travelers in 2026. However, travelers should always review the latest TSA guidance before flying, as screening procedures and airport technologies can evolve.
Conclusion
Understanding TSA Liquid Rules 2026 before heading to the airport can save you time, reduce stress, and help you avoid unnecessary delays at security checkpoints. The familiar 3-1-1 rule remains the foundation for carry-on liquids: pack containers that are 3.4 ounces (100 ml) or smaller, place them in one clear quart-sized bag, and remember that each traveler is generally allowed one bag.
It’s equally important to know the exceptions. Prescription medications, medically necessary liquids, baby formula, breast milk, and certain infant supplies are generally allowed in larger quantities, though they may require additional screening. Planning ahead, organizing your toiletries, and checking current guidance before your trip can make the screening process much smoother.
Whether you’re flying for business, vacation, or an international adventure, following these guidelines will help you travel with confidence. A few minutes of preparation can make the difference between a smooth airport experience and an unnecessary delay.
Ready for your next trip? Bookmark this guide, review your packing list before every flight, and stay informed about any future updates to TSA travel policies.
