Natures Way Aromatherapy Essential Oil Tea Tree 50ml. Taken from the leaves of this plant, Tea tree oil has a distinctive fresh aroma and is a first rate antiseptic. It is stimulating and has anti-viral, anti-fungal and anti-bacterial properties. The oils used in Natures Way aromatherapy products are only extracted from natural sources. By using only 100% pure oils distilled from herbs, flowers and fruits, a true therapeutic value is obtained.