I'm not sure what kind of a police state we currently live in, but the TSA appears to believe that they can confiscate anything they want. Per the poorly enforced rules about carry-on liquids and gels, I had three bottles, each 2 oz., which I put my shampoo, conditioner and other styling products in. These are not the original containers, but nowhere do the rules state that as a requirement.
Flying from Minneapolis-St. Paul to Newark last week I checked my bag. It was overstuffed and I didn't feel like dragging it through the airport. Upon arriving in NYC I see that my bag was searched and the bastards stole my bottles of hair products from my bag. When I called the TSA they offered to help me file a report, but claimed that there was really nothing more they can do.
All I have to say to that is "WHAT THE FUCK!?!"
I bought 3 more bottles... we'll see how long until these get confiscated under some other unpublished rules.