Cortex Fraxini. Part used: Bark. Known as Ash Bark. Clears heat, resolves toxicity and dries dampness. Drains liver fire and benefits the eyes. Disperses wind-dampness. Calms wheezing, stops coughs and resolves phlegm. Entering Meridians: Gallbladder, Large Intestine and Liver. All Phoenix Medical dry authentic herbs and concentrated herbal granules are free of sulphur, herbicides and pesticides.