Research overview: feline facial pheromones and their fractions

Cats deposit secretions from facial glands when rubbing objects, and these are thought to contain pheromone fractions associated with familiarity and reduced anxiety. This overview surveys the science behind feline facial pheromones, including the identification of fractions linked to bunting on familiar objects and to other social and territorial functions, and the development of synthetic analogues marketed to reduce stress and marking. It examines the evidence base for such products, which is mixed, with some studies showing benefits for specific problems and others finding little effect. The survey discusses the difficulty of validating pheromone therapies, the role of placebo and study design, and what is genuinely known about how facial gland chemistry shapes a cat's sense of security in its environment.