Beaphar Calming Collar for Dogs It is used to calm dogs and reduce their anxiety and stress. This collar is based on natural pheromone technology that mimics the pheromones that mother dogs secrete to their young puppies, which usually helps calm them and relieve anxiety. It is a natural and safe option to calm dogs during periods of stress or stress, such as exposure to new surroundings, changes in the environment, vet visits, or travel. It can be worn permanently for the dog or used in situations where the dog feels stressed.