FRONTLINE Flea & Tick Spot On Treatment for Cats kills fleas and ticks and controls biting lice on both cats and dogs. It is fast acting and kills fleas within 24 hours and ticks within 48 hours.FRONTLINE Spot On is the original flea and tick spot-on formula from FRONTLINE, first used by vets, now available without a prescription. Once applied, the treatment will protect cats from fleas, ticks and lice - use monthly all year round.Key Features & Benefits Kills fleas on your pet within 24 hours Kills ticks within 48 hours, helping reduce the risk of tick-borne diseases Kills lice Treating your CatApply Frontline Flea Spot On monthly for continuous protection.Prevents re-infestation with fleas for up to 5 weeksPrevents re-infestation with ticks for up to 1 monthCats and kittens must be at least eight weeks old and 1kgIt can be used on pregnant and lactating queensBathing/shampooing/water exposure does not affect the efficacy of the product as long as it doesnt occur more than on