Shampoo
Shampoo is allowed in carry-on only in 3.4 oz containers; unlimited size in checked bags.
Carry-on
Allowed with conditions
Checked
Allowed
Carry-on details
Allowed with conditions. As a liquid, shampoo in carry-on must be in a container of 3.4 oz (100 mL) or less, and fit in your one-quart liquids bag along with your other liquids.
Checked-bag details
Allowed. No size restriction on liquids in checked baggage. Bring full-size bottles here if you don't want to decant into travel sizes.
Quantity limit
3.4 oz (per container)
Special instructions
Pack in a sealed bag in checked luggage to guard against leaks from pressure changes.
Related rules
FAQ
- Can I bring a full-size shampoo bottle in my carry-on?
- Only if the container itself is 3.4 oz (100 mL) or smaller, regardless of how much is actually inside it. Larger bottles must go in checked luggage.
Related items
Source: TSA — What Can I Bring? · Last verified: 2026-07-29
Final decision rests with the security officer at the checkpoint.