Frankincense Essential Oil GURUNANDA Aromatherapy 100% Pure and Natural .5 fl oz Frankincense, considered so precious in Biblical times, is considered to help build and maintain a healthy immune system and promote cellular health. The producer is "GuruNanda," whose oils are sourced from all over the world. They are very selective about their plants, which are selected in an effort to distill only the purest and most powerful essential oils. "GuruNanda" states that they only trust those who are honest distillers that fully understand, respect, and apply ethical distillation processes. Due to the delicate nature of distillation, they take serious measures to ensure that the process is done properly every single time. "GuruNanda" confidently promises that their essential oils are 100% pure and natural and of the highest quality.