Peppermint oil has a very high level of menthol present in it, which makes it one of the best cooking oil. Due to its high medicinal content, it is the best option for pain relieving. It not only acts very fast but, when mixed with other essential oils it energizes and speeds up the performance of other oils. Actually, peppermint is a hybrid plant of watermint and spearmint and is said to be curing stomach problems like diarrhea, inflammation, indigestion, etc.. It is also used as both breath freshener and air freshener. The species Mentha piperita is widely used to produce peppermint oil. This oil is mainly extracted by steam distillation.