Advantage Treatment Shampoo for Cats & Kittens is a cat shampoo that kills fleas and ticks on contact. No prescription is needed to help prevent fleas that may cause redness, irritation and itching commonly associated with flea bite dermatitis. Simply wet your cat's coat for 2-3 minutes with warm water. Begin applying the shampoo on your cat's head and ears and lather, making sure to keep shampoo out of eyes. Repeat on the neck, chest, middle and hindquarters, finishing legs last and paying attention to footpads and underbody. Be sure to thoroughly lather at the base of the tail, a spot commonly frequented by fleas. Allow the shampoo to sit for 5 minutes before rinsing thoroughly with water. Use this shampoo up to once every 7 days to clean your cat's coat. To get the most out of Advantage Flea & Tick Treatment Shampoo for Cats & Kittens, it's best to use it as part of a complete flea treatment program powered by Advantage. Advantage is a trademark of Elanco or its affiliates.