Peppermint is stimulating, revitalising and creates focus. A perfect oil to burn in your office space, or for situations where clear thinking is required. With antiseptic and expectorant properties, peppermint may be useful to treat colds, flu and sinus congestion. Peppermint is an effective remedy for digestive disorders such as indigestion or nausea, and can act as an anti-inflammatory to ease sore muscles and insect bites.