Tea Tree essential oil has over 90 different compounds and limitless applications. The leaves of the Tea Tree have been used by the Aboriginal peoples of Australia for centuries. They would apply crushed leaves directly to the skin for a cooling effect. Tea Tree is best known for its purifying properties. It can be used to cleanse and purify the skin and nails and to support a healthy looking complexion. Tea Tree is used on occasional skin irritations to soothe the skin and diffusing Tea Tree will help freshen the air.