FrontlineŽ Is A Monthly Application That Kills 100% Of Fleas And Their Larvae Within 24 To 48 Hours. In Addition, FrontlineŽ Breaks The Parasite Life Cycle, Thus Preventing Them From Laying Eggs And Reproducing. FrontlineŽ Is Applied To The Back Of The Neck On Cats And Between The Shoulder Blades On Dogs. It Spreads Naturally On The Skin Surface At The Hair Root Level, Aided By Body Movement To Provide Whole Body Coverage. FrontlineŽ A Is Water-Resistant Flea Medication, So It Continues To Kill Fleas Even After A Shampooing, Swimming, Rain Or Exposure To Sunlight. FrontlineŽ Is For Dogs And Cats Over 10 Weeks Old.

FrontlineŽ Is A Monthly Application That Kills 100% Of Fleas And Their Larvae Within 24 To 48 Hours. In Addition, FrontlineŽ Breaks The Parasite Life Cycle, Thus Preventing Them From Laying Eggs And Reproducing. FrontlineŽ Is Applied To The Back Of The Neck On Cats And Between The Shoulder Blades On Dogs. It Spreads Naturally On The Skin Surface At The Hair Root Level, Aided By Body Movement To Provide Whole Body Coverage. FrontlineŽ A Is Water-Resistant Flea Medication, So It Continues To Kill Fleas Even After A Shampooing, Swimming, Rain Or Exposure To Sunlight. FrontlineŽ Is For Dogs And Cats Over 10 Weeks Old.