EquineZenEquineZen Available in a 2 oz or 4 oz jar. EquineZen is a topical calming pheromone formulated to help horses remain calm, cooperative, and focused during stressful situations. Developed using advances in equine behavioral science, this patented formula contains synthetic androstenone, a pheromone that works through the horses olfactory system to encourage balanced behavior without sedation or performance impairment. Applied near the base of the