Fo-ti is also known by other names such as Da Gia Dang, Da Hop, Thu O... However, the scientific name of the Fo-ti root, Fallopia multiflora (thunb) Haraldson, belongs to the family of Vietnamese coriander. According to oriental medicine, red Fo-ti has an astringent, sweet, bitter taste, and is slightly warm in nature. In addition to its effects of darkening hair, it helps replenish blood, calm the nerves, nourish the liver, and laxative...