A shrub or small tree with short, needle-like leaves,
native to Australia. The essential oil is produced by steam distillation from the
twigs and leaves.
There are many different species of tea tree, and different
chemotypes (with different therapeutic properties) within a single species. The two species
used therapeutically other
than Melaleuca alternifolia are Cajeput (Melaleuca cajeputi) and Niaouli (Melaleuca
viridiflora or quinquenervia). Substantial scientific research on
tea tree has shown it to be active against a wide range of bacteria, viruses, and fungi.
Anti-fungal: kills yeast (candida) in the lab and in human studies. Tea tree may be effective for both vaginal yeast infections and oral candida, and can also be used to clear yeast infections from the skin.
Fights wound infections: use as a compress or spray on open wounds and abscesses. Can be used, diluted or undiluted, on acne and insect bites to clear them rapidly.
Stimulates immune system: research has shown that tea tree increases the production of immunoglobulin A and M. It may help the body fight disease organisms.
Respiratory system support: both prevents and decreases the severity of bacterial and viral infection infections in the entire respiratory tract. Broad anti-infectious action makes tea tree a good choice for disinfecting sickrooms and preventing cross-infections.
Contraindications
Allergic skin reactions have been reported. A recent study
suggests that allergens develop in oil that is oxidized, or exposed to light,
and occur in fresh oil much less frequently.
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