Beeswax comes in several categories with a wide range of uses.
(2) general/industrial use
(4) cosmetic, pharmaceutical grade
Wax used for cosmetic/pharmaceuticals/food is processed according to Good Manufacturing Practices (GMP).
Categories based on processing and color:
(1) unprocessed (off-white to brown): may contain a range of impurities including pollen and any chemicals in the environment
(2) yellow: refined by melting in hot water containing sulfuric acid or alkali to remove impurities
(3) white: yellow wax that has been bleached (with peroxides or sunlight)
Beeswax may develop a foul smell and sour taste if rancidity (acidity) increases. This is often unsuitable for ingestion but can be fine industrial use.
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