doTERRA Oregano Essential Oil is a very powerful oil and is used as a cleansing and purifying agent. Cultures around the world use it to aid immune system support and healthy digestion. Oregano fights against unwanted bacteria or pathogens. A very small amount goes along way. Oregano should be diluted with a carrier oil when applied to the skin. One drop taken internally each day can help maintain healthy immune function; Oregano can be taken more frequently as needed to further support the immune system.* In addition to being a popular cooking spice, Oregano also supports healthy digestion and respiratory function when taken internally.* Oregano’s aroma acts as an enhancer and equalizer in essential oil blends.