Designed for the most challenging conditions Kills and repels more than 70 species Vertical and horizontal spray settings deliver targeted coverage; works upside down, too! Semi-ratchet closure helps eliminate leakage while allowing bottle to be refilled Weatherproof, sweat-resistant formula stays active for up to 17 days AHorse Journalfavorite Weatherproof, sweat-resistant formula kills and repels biting and nuisance flies, gnats, ticks and mosquitoes. Stays active for up to 17 days. Non-oily, water-based repellent is pleasantly scented with citronella; contains sunscreens and coat conditioners including aloe and lanolin.Contains 0.5% permethrin, 0.1% pyrethrins and 1% piperonyl butoxide.Horses - Apply as a spray or wipe; do not exceed 2 oz per application. Repeat every 7-10 days; as protection builds, every 12-17 days. Reapply after exposure to water.Dogs - Treat every 3-4 weeks during flea season; provides protection for up to 28 days. May also be used in dog's sleeping quarters and as a premise spray.For use on horses and dogs over 12 weeks old.