Pleasant smelling Pheroma Litter Powder Odour Neutraliser is used to deodorise cat, hamster and any other animal litter, pet’s bedding and sleeping area, dustbins in and around the home, etc. Pheroma Powder should be used on new and existing litter, and when necessary, to remove urine and faecal odours instantly. Simply sprinkle the powder lightly on the surface of the litter, inside hamster cages, inside vacuum cleaner bags and even in the dustbin.