Oregano essential oil has a strong sharp herbal aroma. Although all essential oils should be diluted before applying to the skin, it is very important to do so with Oregano oil, as it is extremely potent. The disinfectant and antibacterial properties of oregano essential oil were first recognized in ancient Greece. Today, it is still very popular in all aspects of life including medical facilities. Botanical name : Origanum vulgare Method of extraction: Steam distillation Details: Choose 1 or 2 oz size. Your essential oils will come in an amber glass bottle, along with a dropper insert you can apply after receiving. We ship with a cone lined cap to prevent leakage while in transit. Tester size is 1/2 oz amber glass bottle with screw on cone lined cap.