Frankincense Essential oil is produced by steam distillation. It is a pale yellow or greenish liquid, with a fresh terpeney top note and a warm, rich sweet balsamic undertone. Benefits: Skin Care: Blemishes, dry and mature completion, scars, wounds and wrinkles. Respiratory System: Asthma, bronchitis, catarrh, coughs, laryngitis. Immune System: Colds, flu. Nervous System: Anxiety, nervous tension and stress related conditions.