Tea Tree Essential Oil is best known for its antimicrobial activities. It contains the compound Terpinen-4-ol which is thought to be the responsible for fighting all three categories of infectious organisms (bacteria, fungi, and viruses). Tea Tree Essential Oil can be used to combat a variety of ailments including acne, dandruff, athlete's foot, lice, eczema and psoriasis. It is also an ingredient in creams, ointments, lotions, soaps, and shampoos.