Natural equine insect control with citronella, clove, mint, and thyme oil*Repels horn, stable, house, horse, and deer flies, plus mosquitoes and gnats*Concentrated formula mixes easily in water and is economically pricedBotanical insect repellent protects your horse and home. Concentrated blend of natural essential oils help control horn, stable, house, and deer flies, as well as mosquitoes and gnats. Mix of citronella, clove, mint, and thyme oil is safe for use on all horses, ponies, and foals. Contains no preservatives, additives, or artificial colors. Alcohol-free solution will not sting or irritate sensitive skin. Gentle enough for daily use. Simply mix one part solution with four parts of water. Use as often as needed. Economical 32 ounce bottle. Fresh, herbal scent.