Hi there, I had the same dilemma - if you do a search online, some of the eco-nappy people (can't remember who sorry!) sell the stuff.

Also, I found one of our larger local chemists (I'm in Sydney) actually sold jars of the stuff (with their own label) - $10 for a good size jar. Way cheaper than the little tubes you usually get at the chemist and easy to use for the nappy covers - so if you've got a chemist that has maybe a couple of outlets, they might do their own. Perhaps you could ring around - this worked out cheaper than buying on line. However, once you've got the stuff, it will last for ages.

Hope this is helpful!