Hill's™ Science Plan™ Hairball Control Mature Adult/Senior 7+with Chicken helps avoid the formation of hairballs. A gentle formula for everyday feeding with clinically proven antioxidants and precisely tailored phosphorus levels. Key Benefits · Natural Fiber Technology to reduce hairball formation. · Essential nutrients for reduced shedding. · Antioxidant vitamins E&C to help preserve healthy kidneys. · Made with high quality ingredients for great taste. 100% guaranteed.