“I used other brands of flea meds on my two cats with no results. When I used Bayer Advantage, my oldest cat who had scabs from flea bite allergy, has now cleared up his skin. My young cat, no longer itches from being bitten by fleas. I'm very glad I ordered this product and will use it once a month, for two more months to be sure they are all gone (We bombed the house too). I would get more, if needed, in a heartbeat.”