Oregano oil is one of the most potent and powerful essential oils and has been used for centuries in traditional practices. The primary chemical components of Oregano is carvacrol, a phenol that possesses antioxidant properties when ingested. Due to its high phenol content, caution should be taken when inhaling or diffusing Oregano essential oil; only one to two drops is needed. Additionally, Oregano oil 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 oil also supports healthy digestion and respiratory function when taken internally. Take one drop of Oregano oil in a veggie cap or 4 fl. oz of liquid daily to maintain healthy immune function. Put 10 drops in a 16-ounce spray bottle with water for a surface cleaner.