Fiproguard Animal Supply Company IC03913 Good Behavior Toy Dog Drops Sentry Good Behavior Calming Drops Include A Pheromone That Helps Calm A Dog In Stressful Situations The calming drops contain pheromone technology that mimics a pheromone that the mother dog produces Dogs Associate This With The Reassuring Feeling They Had As A Puppy When Around Their Mother Dogs Recognize These Pheromones Throughout Life This Takes Advantage Of The Natural Process Of Association And Nurtures A Calming Effect