Cornmint is used in similar applications to peppermint but it's taste and odour are slightly milder. It's slightly different properties lend itself well to more therapeutic applications as well as the obvious flavouring use. It is used to treat rheumatic pain, neuralgia, toothache, laryngitis, indigestion, colds and bronchitis. It is also used in medicine, it is also employed for relieving earache, treating tumors and some skin conditions. Aromatic Scent. A sharp, penetrating mint scent based on its high menthol content.