Halcyon K9 Spray, 60ml Calming Spray for Dogs Halcyon K9 Spray contains a unique proprietary pheromone (2M2B) that is clinically proven to help manage a wide range of behavioral issues in dogs. When smelled by dogs, Halcyon helps reduce separation anxiety, sound anxiety (loud noises), and travel stress. This easy-to-use spray provides quick and effective calming support. Features: Proprietary Pheromone (2M2B): Clinically proven to be safe and effective in reducing stress-related behaviors in dogs. Helps with Common Anxiety Triggers: Ideal for dogs experiencing separation anxiety, noise phobia, or travel-related stress. Fast-Acting Formula: Works quickly when sprayed on bedding, crates, car interiors, or other areas. Long-Lasting Effect: Each application provides calming support for up to 30 days. Convenient 60ml Spray Bottle: Easy to carry and use as needed. Jasmine scented. Ingredients: 2M2B (Proprietary Pheromone)