The Adaptil Calming Dog Collar is a discrete collar that steadily releases appeasingpheromonesto calm your dog down and ease them into new and stressful situations such as fireworks, travelling, as well as during trips to the vet or kennels.When to Use Provide comfort to your dog when they are inside or outside If your dog is nervous about loud sounds such as thunderstorms, bangs or fireworks ADAPTIL Calm Collar will help to support your dog during training If your dog presents signs of anxiety during hikes or in public places such as the park If your dog struggles when living away from home (house soiling, whimpering, barking)How does it work?In nature, groups of dogs (young and older dogs) live together. The group communicate in various ways but one is via natural messages released into the air - pheromones. Mother dogs emit these soothing messages during lactation and adult dogs can too from around their ears. ADAPTIL releases this pheromone for your canine companion,