01The rules in detail
The 3-1-1 rule covers toothpaste (it’s a paste), shampoo, conditioner, lotion, mouthwash, contact-lens solution and makeup like mascara and liquid foundation. Container size is what matters — a half-empty 200 ml tube is still over the limit. Travel-size containers, solid shampoo bars, toothpaste tablets and powder foundation all avoid the bag entirely. Contact-lens solution over 100 ml is medically exempt on request in the US but not everywhere.
02Tips
- Decant into 100 ml bottles or buy travel sizes.
- Solid toiletries mean no liquids bag at all.
03Frequently asked
Can I bring toothpaste and toiletries in my carry-on?
Yes, with limits. Toothpaste, shampoo, lotion, mouthwash and gels: under 100 ml each in one clear quart bag for carry-on; any size in checked bags. Solid alternatives (bars, tablets) are unrestricted.
Can I pack toothpaste and toiletries in checked luggage?
Yes. Toothpaste, shampoo, lotion, mouthwash and gels: under 100 ml each in one clear quart bag for carry-on; any size in checked bags. Solid alternatives (bars, tablets) are unrestricted.
Are the rules the same outside the US?
Mostly similar for liquids and batteries, which follow international standards, but sharp objects, tools, lighters and self-defense items vary widely by country. Check the departure airport's rules and the destination's laws.
TSA and other agencies allow officers to refuse any item they judge unsafe, and rules change. This page summarises published guidance as of the verified date; confirm on tsa.gov or your airport's site before packing anything unusual.