Pyrethrum-based formula is applied directly on your horse. Ready-to-use and provides fly protection and leaves a high sheen to your horse when brushed out. A favorite of show horse owners, effective protection from only 1 to 2 ounces per head. Citronella scented and contains lanolin as a coat conditioner. Proven effective on biting flies, mosquitoes, gnats, fleas, and ticks.