Natural, ready-to-use spray for use on horses, ponies, foals and dogs repels and controls biting flies, mosquitoes and gnats. Independent university study demonstrated 8 hours of protection. Safe for the entire family and the environment. Contains clove, citronella, cedar, lemongrass, rosemary and thyme oils, plus geraniol. No oily or greasy residue. Gentle for daily use; non-irritating and non-toxic.