The rainforest honey propolis spray is a combination of Brazilian rainforest honey, propolis, and natural flavoring. Propolis is an all natural material created by bees from tree buds, sap flows, or other botanical sources. Propolis has a long history of medicinal use, dating back to 350 B.C. , the time of Aristotle. It is used for canker sores, sore throats, boosting the immune system, and as an antioxidant and anti-inflammatory agent.