Is tea tree oil antibacterial?
Matthew Harrington
Updated on February 28, 2026
Overview. Tea tree oil, also known as melaleuca oil, is an essential oil that comes from steaming the leaves of the Australian tea tree. When used topically, tea tree oil is believed to be antibacterial. Tea tree oil is commonly used to treat acne, athlete's foot, lice, nail fungus and insect bites.
Is tea tree oil really antibacterial?
Tea tree oil is distilled from the leaves of the Melaleuca alternifolia plant, found in Australia. The oil possesses antibacterial, anti-inflammatory, antiviral, and antifungal properties. A person can treat acne, athlete's foot, contact dermatitis or head lice using tea tree oil.Is tea tree oil a disinfectant or antiseptic?
Antiseptic for minor cuts and scrapesInjuries that result in broken skin make it easy for germs to enter your bloodstream, which can lead to infection. Tea tree oil can be used to treat and disinfect minor cuts and abrasions by killing S. aureus and other bacteria that can cause infection in open wounds ( 1 ).
Is tea tree oil antibacterial or antifungal?
Tea Tree: TopicalTea tree oil is a popular external application for skin problems. It has antibacterial and antifungal activity, in vivo, against a number of organisms, although its antiviral activities have not been conclusively demonstrated.