More commonly known as ÒTea Tree,Ó Melaleuca essential oil has over 92 different compounds and limitless applications. The leaves of the Melaleuca tree were used by the Aborigines of Australia for centuries. They would crush the leaves and inhale the oil to promote feelings of clear breathing and apply the leaves directly to the skin for a cooling effect. Melaleuca is best known for its purifying properties. It can be used to cleanse and purify the skin and nails and to support a healthy complexion.