Supports upper respiratory issues, both chronic and seasonal.  Bronchodilating essential oils open up your lungs and unclog sinus passages. Essential oils of Spruce, Eucalyptus, Hemlock, and more support activity like expectorants, decongestants, and immunostimulants, on account of supporting  their antimicrobial, anti-inflammatory, and tonifying actions. This blend was originally formulated for a patient that had Agent Orange poisoning from fighting in the Vietnam War, and he was able to breathe much easier and more efficiently with this product. Simply roll onto pulse points (we especially like putting it behind our ears) and breathe in and out deeply for maximum comfort.