When it comes to protecting our equine companions from pesky insects, we've found that Farnam Endure Sweat-Resistant Fly Spray truly stands out. As the summer months wear on, we've noticed a significant reduction in flies, gnats, mosquitoes, ticks, and even lice around our horses. The unique sweat-resistant formula is a game-changer, allowing it to withstand even the most rigorous rides and workouts, lasting up to an impressive 14 days. We appreciate the ease of application; the 32 oz bottle provides ample coverage and features an ergonomic spray nozzle that ensures a fine mist. What's more, we can confidently say that our horses seem more comfortable and relaxed while wearing the protective barrier this spray offers. Overall, we believe Farnam Endure is an essential addition to our equine care routine, ensuring our horses can enjoy their time outdoors free from relentless irritants.