Propolis Oral Spray, Regular Strength 20 ML.PROPOLIS ORAL SPRAY, 20 ML. Comvita Propolis Oral (Mouth) Spray Nature's powerful defense system. Comvita Propolis Oral (Mouth) Spray contains Propolis, which is created by bees from the natural resin produced by trees as part of their defense 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 10% UMF 10+ Manuka Honey. Manuka Honey is gaining