PetArmor Squeeze on Dog Flea and Tick Repellent, 6 Applicators Pack for 45 to 88-Pound Provides the same flea and tick protection as Frontline Top Spot, at a significant savings Fast acting: Begins working in as little as one hour Kills ticks: American dog ticks, brown dog ticks, lone star ticks and the ticks that may transmit Lyme disease Kills adult fleas EPA Reg. No. 86230-2-85495. EPA Est. No. 2517-NE-02