Shed Solution (formerly SHED-STOP) reduces year-round shedding in as little as four weeks without interfering with your pet's normal shedding cycle. Effective liquid blend of natural vitamins, minerals, oils, and herbs supplies life-extending nutrients to hair follicles to condense shedding into a controlled seasonal burst instead of a prolonged process. Shed Stop also promotes healthy skin and a glossy coat. Reduces or eliminates hairballs in cats. One formula for dogs and one for cats. 24 ounce bottle or new Economy gallon size.