Nurture Calming Spray for Cats has been proven to effectively modify behavioural problems in cats that are caused by stress such as anxiety, phobias, travel, thunderstorms, fireworks and new social interaction. Can be used without long-term side effects. Can be used with cats of all breeds and ages. Nurture Calming Spray for Cats mimics the pheromone that the queen produces to calm and reassure her kittens. Cats recognise these pheromones throughout life. It mimics the natural way to help cats cope with new and fearful situations. The lavender and chamomile provide a soothing fragrance.