The adaptil refill for use with the adaptil diffuser contains a synthetic imitation of the dap which works to soothe your dog in stressful situations giving it a feeling of security the odourless ingredients create a calm atmosphere making it ideal for moving house getting used to new people and pets or when your dog has to stay home alone for a while dogs can become frightened in many different situations and may retreat or act differently in order to show us how they feel especiall