Certifect flea and tick control for dogs, from Merial, the makers of Frontline Plus.
Spot treatment gives dogs a faster, longer-lasting response to the threat of ticks and fleas. For dogs and puppies 8 weeks of age or older. Rapidly starts killing all stages of ticks that may transmit dangerous tick-borne diseases (Lyme disease, Rocky Mountain spotted fever and more) within 6 hours, completely killing them in 18 hours, and continues killing for a full month. Causes ticks to detach when applied. Kills fleas, flea eggs, flea larvae and chewing lice, too. Also eliminates fleas' ability to reproduce, preventing the development of all flea stages. Waterproof formula remains effective even after bathing, water immersion or exposure to sunlight. Can be used on breeding, pregnant and nursing dogs. Easy to apply, simply place applicator tip through dog's hair and apply entire contents in 2 separate spots on the base of the skull and shoulder blades. Repeat every 30 days. Wait 24 hours before bathing or letting dogs swim. Do not use on cats. Side A of the applicator contains 9.8% fipronil and 8.8% s-methoprene; Side B contains 22.1% amitraz. Satisfaction guaranteed.