Halcyon

Halcyon FE Collar Halcyon contains a unique proprietary pheromone (2M2B) that is clinically proven to be safe and effective in addressing a wide ra...

Halcyon FE Diffuser Starter Kit Calming Solution for Cats Halcyon FE Diffuser Starter Kit contains a unique proprietary pheromone (2M2B) that has b...

Halcyon FE Spray Effective Anxiety and Stress Relief for Cats Halcyon FE Spray is designed to help address a variety of behavior issues in cats. Co...

Halcyon K9 Collar Calming Support for Dogs The Halcyon K9 Collar contains a unique proprietary pheromone (2M2B) that has been clinically proven to ...