Comvita Propolis Oral Spray – Nature’s powerful defence system. Comvita Propolis Oral Spray contains Propolis, which is created by bees from the natural resin produced by trees as part of their defence system. Honeybees collect the resin, mix in beeswax and enzymes, and use it to protect the hive. Comvita Propolis contains a range of bioflavonoids along with …