Patchouli Essential Oil (50ml) Use this oil for a pleasant fragrance or aromatherapy with an oil burner or vaporiser. In aromatherapy, it is often used to combat depression,stress, and fatigue. Essential Oils are packed especially for aroma therapists or others using larger quantities. Bottled to order, with tamper evident dropper caps to ensure perfect quality. Batch coded and labelled to show a best before date.