Tea tree essential oil is the concentrated liquid compounds steam distilled from the leaves of the tree Melaleuca alternifolia, which is native to the northeast coast of New South Wales, Australia. The oil has valuable antiseptic and anti-fungal properties due to constituents called terpenoids, and is used in many personal care products and medicines today.
Tea tree oil is said to be good for relieving congestion, cold, cough and flu. It has been used to heal acne, fungal infections, dandruff, vaginal infections, haemorrhoids, athlete's foot, and is believed to soothe aching muscles and joint injuries. When added to bath water it helps control bacteria. Tea tree oil is not to be taken internally. It is usually used only on adults and must be kept away from children and pets. Don't use it if you're pregnant or lactating.