As is true for many medical discoveries, aboriginal peoples on every continent were the first to discover plants and practices that control disease and promote healing. When Captain James Cook saw Australia 's first people collect and brew leaves, then drink the resulting tea for its healing properties, he called the associated plant a “Tea tree”. Thanks to research in the 1920 's, scientists realized that oils from the Tea Tree 's leaves held more anti-microbial power than the era 's most commonly prescribed medication, Phenol, also known as Carbolic Acid. In the 1930 's, a Dr. Humphrey discovered that Tea Tree Oil treated one of the most common concerns of fighting forces, world wide. With his discovery, this essential oil became part of