St Francis Dog & Cat Ear Oil - Mullein, calendula, garlic, and St. John’s wort—the carefully selected herbal ingredients that go into this pet ear oil enjoy a powerful and effective synergy. Not only do they alleviate the pain of mites and rashes, but they have wound-healing, anti-microbial qualities as well. These four healing herbs, all of them certified organically grown or wildcrafted, are macerated in a soothing base of certified organic, extra-virgin olive oil of the highest quality.