Tea tree oil is used for its powerful antiseptic properties. It can be applied topically to treat acne, dandruff, athlete's foot, and other skin conditions. Tea tree oil also has antibacterial qualities that make it useful in treating sore throats or respiratory infections like bronchitis. Tea tree oil is a volatile aromatic essential oil with many therapeutic properties including antimicrobial activity against bacteria, fungi and viruses; anti-inflammatory activity; analgesic (pain relief) activity.