Tea tree oil is extracted from the leaves of the Melaleuca alternifolia bush. The plant is native to Australia. Aboriginal Australians have historically used the crushed leaves of the plant to treat infections. Nowadays, you can pick up Tea Tree Oil at your local Trader Joe's.
Tea tree oil has been shown to:
help wounds heal
help combat head lice
help soothe itchiness associated with insect bites and sunburn
help relieve some scalp and skin conditions, such as dandruff and psoriasis
help clear certain bacterial, fungal, or viral infections, such as athlete’s foot and staph infection