Talentcare Spot-on is an effective monthly treatment that prevents fleas, worms, and heartworms from infecting cats and kittens. It is formulated using two active ingredients- Imidacloprid and Moxidectin and are effective against various strains of internal and external parasites. This easy to use spot-on keeps the cats and kittens protected against various parasites including fleas (Ctenocephalides spp.),