Go natural with Zand Zand Oregano Oil (1x1 OZ). ZAND Oregano Oil contains 60% carvacrol and may be used for topical and internal use. Guaranteed to provide a consistent concentration of herbal strength with each dose. Contains no sugar, artificial flavors or colors, yeast or gluten.. (Note: Description is informational only. Please read the ingredient label on the product for more information and always consult your health professional with any questions prior to use.)