Zodiac Premise Plus Flea Spray kills adult and pre-adult dog and cat fleas. It contains a combination of ingredients, permethrin and Precor. The permethrin kills adult fleas, Brown dog and American dog ticks, cockroaches, silverfish, earwigs and ants. Precor, an insect growth regulator, kills the pre-adult fleas present in the house for 120 days. It controls fleas hidden in carpets, rugs, drapes, upholstery and pet bedding. Zodiac Premise Plus leaves no bad smell, no sticky mess and will not stain furnishings. Regular use will reduce the need for topical treatments of pets for ectoparasites.