Hairballs are a natural occurrence for cats, but if they're more frequent than you'd like, your senior cat may need a nutritional solution. Hill's Science Diet Hairball Control Adult 7+ dry cat food provides nutrition to help avoid hairball formation for mature cats. Packed with quality protein for lean muscle maintenance, this cat food made with natural ingredients uses omega-3 and omega-6 fatty acids to nourish your cat's skin and fur. To support your older cat's kidneys and heart health, this senior cat food provides essential taurine. There's more to love with the new look of Science Diet. Some of our products also have new names, new kibble shapes & new formulas.