Anti-fungal foot spray on my power steering...

So I have a power steering leak that I've been neglecting recently, just topping up as fluid gets low - but now I have purchased a new car and need to sell my e46.



I have to identify where the leak is in my power steering first, and I've watched one of "EricTheCarGuy" videos about using aerosol spray talc powder to coat items (once degreased and dried) to identify where the oil is leaking from...



Well I went in to the shops today and a shoe store did not sell it, the local K-mart did not sell it, and the closest thing I could find was this powder foot spray from the chemist which they charged me $18 for :eek:



Anyway I've yet to get home and try this procedure out, but I have a feeling this spray will not be sufficient. I've tried googling everything from oil leak detection spray/powder/aerosol to aerosol talc/foot powder spray and I'm having trouble finding any products (in Australia) that are similar.



What are they called and where can I find them?? Basically I just need spray on talc/white powder that is in an aerosol propellant can. I don't need anti-fungal properties that cost me $18. :facepalm:



I should probably have checked with my local auto stores first, but I've not had a chance to get there yet.