Pet oils are similar to the oils people use and can be used both internally and externally, depending on what their intended purpose is. Pet oils can be purchased at your local pet store, and they can also be purchased at your pet's vet clinic as well, if needed. Your dog can benefit from pet oils, either internally or externally, or even both. Does your dog need pet oils? Here's a guide to help you determine if this is the type of thing you want to incorporate into your dog's healthy lifestyle.