Gives your cat the 100% complete and balanced nutrition you expect from Iams, with the added benefit of helping to control hairballs. Its unique patent-pending fiber system helps gently move hair through the digestive tract while maintaining healthy digestion. The skin and coat formula is designed to promote healthy skin and a lustrous coat to help minimize hairball formation. Extensive research showed that cats fed Iams Hairball Care Formula passed 80% more hair through the digestive tract than cats fed the leading premium dry adult cat food.