Kill fleas and ticks in as little as 1 hour. FiproGuard Max provides three-way protection against fleas, ticks, and chewing lice. Kills deer ticks that may transmit Lyme disease as well as brown dog ticks, American dog ticks, and lone star ticks Controls mites that may cause sarcoptic mange Waterproof Can be used on breeding, pregnant, and lactating dogs and catsFast-acting and long-lasting, sustained-release formula protects dogs and cats for up to 30 days.*FIPROGUARD is a trademark of Sergeant's Pet Care Products, Inc. Frontline Top Spot is a registered trademark of Merial. Frontline Top Spot and Merial are not affiliated with Sergeant's Pet Care Products, Inc.