Our Open blend is the perfect blend for building your immunity during the winter cold and flu season. Blended from oregano, thyme and cedarwood with hints of eucalyptus and fir to stimulate the immune system and fight infection. Opens the lungs and sinuses while keeping germs at bay. Apply to pulse points during flu season to help protect and build your resistance. For sensitive individuals or children, apply to bottoms of feet at night. For the home, use the Open all natural reeds or pure Open blend in a diffuser to cleanse the air and help stop the spread of germs.