A glabrous, perennial herb with creeping rhizomes.

The fresh flowering herb on distillation yields 0.25-0.50% of volatile oil, known as Spearmint Oil. The characteristic constituent of the oil is l-carvone. The herb is considered stimulant, carminative and antispasmodic. A sweetened infusion of the herb is given as a remedy for infantile troubles, vomiting in pregnancy and hysteria. The leaves are used in fevers and bronchitis. The oil is a counter irritant.

Used in Muscle & Joint Rub.