• Kills adult fleas, flea eggs, flea larvae and prevents the development of flea pupae for up to three months on dogs. • Controls flea reinfestation for up to 3 months on dogs. Controls mites that may cause sarcoptic mange on dogs. • Kills chewing lice. • Kills all stages of deer ticks that may transmit lyme disease. • Kills brown dog ticks, american dog ticks and lone star ticks. • Can be used on breeding, pregnant and lactating dogs. Waterproof, fast acting and long lasting.