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Peppermint grows almost everywhere.
The two main cultivated forms are the black mint, which has violet-colored leaves and stems and a relatively high oil content, and the white mint, which has pure green leaves and a milder taste. The leaves are used. Classified as a carminative herb, peppermint has been used as a general digestive aid and employed in the treatment of indigestion and intestinal colic. It may also increase the flow of bile from the gallbladder. Peppermint oil's relaxing effect also extends to topical use.