Propolis Throat Spray by Natural Factors 1 oz Spray Propolis Throat Spray Propolis Throat Spray is handy to carry and can be helpful to lubricate the throat refresh the breath or to spritz at the first sign of a tickle in the throat. Propolis is a type of glue made by bees from the resins of trees such as poplar birch and horse chestnut. Bees gather the resins mix it with a nectar they secrete and take it back to the hive where it is used to sterilize the hive and seal it from invaders. Propolis decontaminates the hive protecting the bees from infection and disease. Many who take propolis regularly report fewer colds flus infections along with greater stamina and energy. Enhanced with cloves cherry and myrrh to sweeten breath slippery elm bark a demulcent that protects irritated mucous membranes and lubricates a dry mouth and throat licorice an anti-inflammatory and antitussive golden seal root and forsythia herbs that have antibacterial properties.