Thanks for the replies and ideas. I think we're going to have to go low tech, flour in a nasal aspirator and/or sleight of hand, which should be interesting since the costume has no sleeves.
I am doing a production of Rough Magic and need to create an effect of a page of a book burning onstage without any kind of fire or flash paper. I am using a battery powered flame light for the fire (it's supposed to be a handheld flare) but need to figure out how to simulate or stage the paper...