Ash bark/Cortex Fraxini extract, decreases the permeability of blood capillaries, vasculo-protective, antioxidant. Ash bark, with a latin name "Cortex Fraxini", is rich in fraxin and esculin, decreases the permeability of blood capillaries, conferring a vasculo-protective action. It also has an antioxidant effect. Ash bark extract/Cortex Fraxini Ext.