Agave is used in the herbal field which is to say that herbal teas and dyes are extracted from its powder. In herbal form, agave is used both internally and externally maily because of its digestive, tonic, purgative and diuretic properties. Agave also has liver's depurative properties and healing properties for otorrhea blepharitis -inflammation of the eyelids, sores and ulcers skin.