The vervain is a plant widespread in Europe and the America. The vervain has been used by almost all the great civilizations of antiquity. The vervain, one of the most sacred herbs, was called sacred herb by the Romans who used it to purify houses and temples. It was still popular for its relationship with magic and rituals in the 17th century. All parts of the plant (whole plant cut) are useful. According to herbalists, the vervain is indicated for diseases of the liver and gall bladder, as antidepressant and against migraines and headaches. Experiments demonstrate the scientific basis for the traditional use of the plant for the increase of breast milk. It also has several uses for local irritation, wounds and diseases of the gums.