Essential Oils for Helping Horses is a comprehensive guide for using essential oils on your equine partner. It covers descriptions of essential oils, application of the oils, and how to activate the oils. It covers which oils can cause phototoxicity and how the oils should be stored. Essential oils can help your horse maintain optimum health and/or aid in its recovery. Essential oils work in conjunction with veterinarian care. Most problems can be treated from emotional, spiritual, to physical well-being of your horse.