Labdanum is a resin obtained from the shrubs Cistus ladanifer species of rockrose. It has a long history of use in herbal medicine and as a perfume ingredient.  No note of anti-pest use.   History: In ancient times, the resin was scraped from the fur of goats and sheep that had grazed on the cistus shrubs. It was collected by the shepherds and sold to coastal traders. The false beards worn by the pharaohs of ancient Egypt were actually the labdanum soaked hair of these goats.
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