Tea tree oil has a long history that predates its reputation as a buzz-about blemish-busting ingredient. The ever-popular oil is derived from the Australian native plant Melaleuca alternifolia and has ...

Derived from Melaleuca alternifolia, a small tree native to Australia, tea tree oil contains terpinene-4-ol. “This property has antibacterial and anti-yeast properties,” explains Marisa Garshick, MD, ...