Advatage flea control products have been a great boon for me, living in Florida. I've tried many other products before with no success. Advatage by Bayer worked almost immediatly the first time I tried it. No scratching,no biting, no itching, no fleas! The product is easy to put on my kitties as well, just a dab on the back of the neck, away from kitty tongues, and that is that. My cats can enjoy the great outdoors now with out bringing home any more uninvited pests.My home is now flea free even though I have multiple cats.The kittehs have shown no detrimental or other wise ill effects from using...