Tea tree oil, also known as melaleuca, it is extracted from the leaves of the Australian tea tree for its antiseptic and antibacterial uses. Tea tree oil is a natural antiseptic ingredient with broad-spectrum antimicrobial and anti-inflammatory properties, as well as excellent solvency and dermal penetration. Its antifungal properties have been known to reduce fungusrelated ailments such as athlete’s foot and cracked heels. As a preventative, it can combat foot odor and sweaty feet. There are a multitude of professional nail and skin care products that include tea tree oil as an active ingredient.