Purina ONE Adult Dry Cat Food Chicken and Wholegrains 800gCats that live mainly indoors tend to groom themselves more often. This can lead to excess hair in their stomach. They're also less active and tend to put on weight. Purina ONE, with BIFENSIS, helps your cat develop less hairballs, have a lean and healthy body condition and reduced litter box odors. No added colorants, no added artificial flavors and no added artificial preservatives, Contains chicory, a natural ingredient, proven to reduce litter box