I use Dettol Mould and Mildew remover on my shower tiles so I suppose you could spray them with that.Other than that I would say wash it frequently,maybe have a spare one to put up.If you use the spray make sure you don't breathe it in , very strong!!
Try dipping the shower curtain in a salt solution, dry and then hang. I only recently discovered this and it certainly seems to stop the mould from forming. Cheap enough to give it a try, anyway.
I buy clothes from Primark and I swear I don't have a problem with this and am not being racist, but have you noticed that most of Primark's workers are ethnic minorities. Any concern I have is that the cashiers are being exploited; I don't have any problem being served by them as opposed to a caucasian worker. Think I phrased that politically correctly enough. :S
What is wrong with ethnic shopworkers. At least they are being given a chance to integrate. They should all be on the same wages according to their positions, not ethnicity. Ask the manager.