This Blend has been reported to be beneficial for memory retention and mental alertness. Rosemary and peppermint, found in this Blend, have been used for years to improve energy levels. Dr. Dembar of the University of Cincinnati discovered in his research that inhaling peppermint oil increased the mental accuracy of the students tested by 28 percent. Diffuse, put in bath water, on cotton ball in air vents, or wear on temples, wrists, neck, etc.