Mint: This herb is famous for its scent. Mint tea is useful in proper digestion, revival of appetite. Also pepper mint and spearmint is a useful herb. It is used for scented bath; peppermint helps in curing skin problems.
Mentha pulegium - Wikipedia, the free encyclopedia The essential oil of pennyroyal is used in aromatherapy, and is also high in pulegone, a highly toxic volatile organic compound affecting liver and uterine function.