Im pretty sure that flying international you need ALL liquids or gels in your hand luggage, in see-through zip lock bags 25 x25cm, and all containers need to be 100ml or less. I can't remember what the total of your liquids has to be under, but I have a feeling its around 1L. I think coming back into Australia is when they are really strict.
No restrictions on the liquids you can carry in your check-in though - so just put as much as you can in there, shampoo etc... You'll probably find you won't use anything liquid apart from toothpaste on your travels.

Have a great time!