Farnam® Bronco® Gold Equine Fly Spray Helps guard against flies by providing a protective hair coating infused with fly repellents. Features: Pyrethrin – natural extract made from chrysanthemum flowers that affects an insect's nervous system PiperonyIButoxide – helps to make the pyrethrins more effective ButoxypolypropeleneGlycol – a repellent that helps to support the overall activity in formulation Helps to repel and kill stable flies, horn flies, house flies, face flies, horse flies, deer flies, mosquitoes, and gnats Will impart a high sheen to the hair when brushed out Can also act as a grooming aid and coat conditioner Specifically designed for use on horses Oil-based For additional product information, please see clickable links listed under Downloadable Resources.