One of the most versatile oils in the world, peppermint essential oil can be used to treat a wide variety of medical conditions. It can be used for a variety of ailments, including digestive issues, hair care, and skincare. For relieving chest congestion by inhalation, peppermint is one of the most traditional and well-respected herbs. Also, it helps to increase energy levels since peppermint oil has a powerful yet soothing fragrance.