Klosterfrau Melissengeist is a tonic using the aromatic oils of 13 natural herbs in an alcohol base. Klosterfrau's best known product, it has a firm place in most German households for topical use as a rub for a variety of body ailments. In diluted form, it can also be taken internally for ailments related to head, heart, stomach, and nerves, or for relief of cold and flu symptons. Please note - Due to presence of alcohol, you should check with your physician before using it with other medications, using it during pregnancy, using it before driving or operating heavy machinery, or if liver disease is present.