The oil is extracted from fresh or partly dried peppermint leaves through steam distillation. An important medicinal plant, peppermint is found naturally in Europe and America. It has menthol and limonene which are ingredients that have healing powers and a relaxing aroma that can even help in relieving headaches and congestion while improving immunity level. People suffering from joint or muscle pain find relief because of its analgesic, anaesthetic and anti-inflammatory properties. It is invigorating yet soothing and can also be used as a refreshing and cooling room freshener.