Seresto is a convenient, easy-to-apply collar for dogs. It offers protection for eight months from fleas, ticks, and lice. Seresto is made by Bayer. The active ingredients are imidacloprid and flumethrin. It is odorless and non-greasy. EVESHAM VETERINARY CLINIC 800 ROUTE 73 SOUTH MARLTON, NJ 08053 (856) 983-9440 eveshamvet.com