The herb lemon verbena contains the active substances of vernenalin, varverin, essential oil, mucus and a strange tannin that does not resemble the common tannins and has not yet been researched. These substances provide to the lemon verbena diuretic - decongestive, antibacterial, styptic, emmolient and relaxing, spasmolytic attributes. It can be used in a variety of ways as an extract, a beverage or oil, it can be added to body creams, and even in cooking. People with low blood pressure should avoid using it orally because it lowers blood pressure due to its diuretic action. It should also be avoided by women during pregnancy and lactation. It is collected and packaged at the Holy Cell of Dontas of the Monastery of Simonos Petras.