Carry your eliquids in regular eliquid plastic or glass bottles (each can be no bigger than 100mL in size), and put them in the 1-quart Ziplock type baggie with any other liguids, gels, pastes, that you're taking (ie. toothpaste, cologne, mouthwash, etc.). You can take as many as will fit in that baggie with your other stuff. Take them in your carry-on luggage/bag.
If you're taking any that is larger than 100mL...those must go in your checked baggage. I'd personally double Ziplock baggie them, as the chance of leakage is greater in the hold of a plane.
ETA: By the way, the above is according to TSA regulations for US flights. Also, an airline may have more stringent regulations and post them on their own websites. However, I haven't run across one yet that has done that.