FIPROGUARD MAX provides adult cats and kittens over 12 weeks three-way protection that kills fleas, ticks and chewing lice. FIPROGUARD MAX Cat & Kitten Topical Flea Treatment kills deer ticks that may transmit Lyme disease. It also kills brown dog ticks, American dog ticks and lone star ticks. FIPROGUARD MAX starts to kill fleas in an hour and prevents flea reinfestation for up to 6 weeks. FIPROGUARD MAX is waterproof and remains effective, even after bathing, water immersion or exposure to sunlight. FIPROGUARD MAX contains Fipronil and Etofenprox in a sustained-release formula developed for fast-acting and long-lasting control of fleas, ticks and chewing lice for 30 days on cats.