FELIWAY Diffusers help your cat to feel secure and happy, even in different surroundings or changed situations. When a cat feels happy and safe in its environment, it deposits pheromone (scent) marks on furniture or other prominent objects. These marks convey a message of well-being and a feeling of safety. FELIWAY mimics the cats natural facial pheromones to create a state of familiarity and security in the cat's local environment. FELIWAY is available as a diffuser and as a spray and can be used in the following situations: To make your cat feel safe and secure To calm your cat if it is showing symptoms of stress To reduce stress when there is disruption to your cats environment FELIWAY® Classic at a glance: Contains synthetic copy of the feline facial pheromone F3 Also available as a FELIWAY Classic spray, ideal for travelling and trips to the vets Recommendation is to start FELIWAY Classic about 1 week prior to any event which may stress your cat. Continue to use it for at least