Peppermint, scientifically known as Mentha piperita, is one of the most well-known of all the mints. It is an aromatic perennial herb valued for culinary, medicinal, and cosmetic uses. Peppermint may help with digestion, relieve headaches and migraines, help with sinus troubles, and more. It is commonly used in teas, tinctures, capsules, powders, extracts, and essential oils.