Non oily spray for horses kills and repels flies, fleas, ticks, mosquitoes and gnats. Kills deer ticks that may carry Lyme disease. Water-based with added silicone formulation sticks to coat longer and resists sweat and water. No need to shake or stir with Pyranha Suspension Technology. Formulation stays in solution; good from the first to the last spray. Contains 0.5% permethrin, 0.25% pyrethrins and 2.5% piperonyl butoxide.