Oregano Essential Oil is used for everything from cleaning to diaper rash, from warts to dandruff! Here are my favorite 20 Oregano Essential Oil Uses! Love essential oils as much as I do or just getting started? Check out over 100 ways to use essential oils around the house for a healthier life! Oregano Essential Oil (Origanum vulgare) isn't as well known as frankincense, lavender, and ...