Essential oil peppermint 10ml peppermint is an aromatic plant, created from the blending of watermint and spearmint. it is used to add flavor or fragrance to foods, cosmetics, soaps, toothpastes, mouthwashes, and other products, and it may have some medicinal uses. peppermint (mentha piperita) leaves can be used dried or fresh in teas. originally from europe, peppermint today is cultivated all over the world. peppermint essential oil is a concentrated oil that is extracted from the peppermint plant by steam distillation. the whole fresh or partly dried plant is used before it starts to flower.