Propolis is a resinous substance, which occurs as a product of the building activities of honey bees in a bee hive colony. Considering its natural origin, it has a complex and quite variable composition. Approximately one half of its content is made up of a resinous substance of a terpene character, one-third is a wax and the rest is an essential oil, greasy oil and various other groups of substances: ﬂavonoids, for example, quercetin, vitamins and minerals, essential oils, tannins and pollen.
The summary of the above stated substances stimulates the immune system, have antibacterial, anti-viral, anti-inflammatory and anti-oxidant effects. When applied externally, for example, on burns, eczema and bed sores, propolis stimulates the granulation and epithelization of skin cells.