I have used  K9 Advantix, I never had seen a flea on Pnut. It is annyoing when you put it on, I don't think you can get away from it. Everytime I put it on Pnut he will shake after and it will go all over his hair, and it will be gressy for a day then it will dry.     
				__________________   "People with nothing to hide don't usually feel the need to say so."         |