Will Lemon Eucalyptus Repel Horse Flies On Dogs?
Will Lemon Eucalyptus Repel Horse Flies On Dogs? A drop of eucalyptus essential oil rubbed into the tips of the ears works to keep flies off dogs for two or three hours. Peppermint and lemon oils are also effective, but keep them away from dogs’ eyes. Simmer a sliced lemon in two cups of water