FRONTLINE SPRAY provides your cat/dog with protection against fleas and ticks in the following ways: Controls?Brown Dog ticks?when applied monthly. Controls?Paralysis ticks?when applied every 3 weeks. Controls adult?fleas?when applied every 4 to 8 weeks. Controls Flea Allergy Dermatitis when applied monthly to the affected pet. All other dogs and cats in the household should be routinely treated too. Can be used on kittens from 2 days of age. Always read the FRONTLINE SPRAY label for full administration details and safety directions. Speak to your vet for further advice on flea control using FRONTLINE SPRAY.