bSerene™ Calming Diffuser and Refill releases feel-good signals to mimic the Dog Appeasing Pheromone that mother dogs naturally produce to help their pups feel safe. As bSerene sends calming signals into the environment, it boosts your dog's mood and helps with stress-induced behaviors. When your dog senses bSerene, they feel calm, safe, and secure – just like home should feel. And when they feel safe and relaxed, they're less likely to act out.