I've found All Terrain Herbal Armor (TM)Insect Repellent at a Long's drugstore near my home. It's a combination of oils of citronella, soybean, peppermint, cedar, lemongrass and geranium. I've been using it, and it does keep the fleas off my ankles. (Don Juan and Zerlina have Advantage, leaving ME as the one remaining warm-blooded creature available to the fleas. )

I know that a repellent containing DEET would probably be more effective, but I'm not comfortable using the stuff around my babies (or, for that matter, me).