Turmeric Essential Oil Uses and Benefits. Turmeric essential oil can be used topically, but should be diluted. Turmeric essential oil is used in aromatherapy for its relaxing, stimulating, and balancing properties. Turmeric essential oil is excellent for oriental/fantasy type aromas. It can lend a very distinct softness and roundness to a spicy blend, and is excellent with ginger, ylang ylang, clary sage, and spices.