--> Kills adult fleas and ticks on your pet Continues killing fleas and ticks for a minimum of 30 days Remains effective, even if your dog or cat swims or is bathed Gentle enough for use on puppies and kittens 8 weeks of age or older Quick, effective way to kill adult fleas and ticks on your pet. Because this fast-acting spray keeps working for 30 days, it helps prevent reinfestations, too. Frontline Spray contains fipronil, which works by affecting the flea's or tick's nervous system, causing paralysis and death. Frontline Spray also kills chewing lice and aids in control of sarcoptic mange infestations in dogs. For flea and tick infestations, we recommend you apply fast-acting Frontline Spray to your pet right away and then follow-up in 30 days with a product that also kills flea eggs and larvae, such asFrontlineandreg; Plus.Allow at least 30 days between using spray and applying topical.Please click on "More Information" for directions and ingredients.

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