Vet-Kem® Flea, Tick & Bot Spray kills and repels fleas, ticks, lice, flies, mosquitoes and gnats. It kills flea eggs and prevents bot fly eggs from hatching. May be reapplied weekly. For use on dogs, cats and horses. Active Ingredients: (S)-Methoprene, Pyrethrins, Piperonyl Butoxide, N-Octyl Bicycloheptene Dicarboximide  Read More