*6.3.8 Peppermint*

The essential oil of peppermint is used worldwide and it is obtained from the *Mentha piperita*. This mint hybrid is the most favorite between the essential oil and gardeners. It is the most famous type of essential oil because of its unique applications, and it is mostly used in preventing flu and cold, alleviating headache, relieving pain in muscles and joints, clearing the skin conditions, relieving nausea, and improving the digestive system processes [26].
