Nurture Calming Spray for Dogs has been proven to effectively modify behavioural problems in dogs 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 dogs of all breeds and ages. Nurture Calming Spray for Dogs mimics the pheromone that the bitch produces to calm and reassure her puppies. Dogs recognise these pheromones throughout life. It mimics the natural way to help dogs cope with new and fearful situations. The lavender and chamomile provide a soothing fragrance.