Camphor Wood Helped Protect Stored Clothing The wood, leaves and twigs of the Camphor tree contain aromatic oils that supply natural camphor. Camphor has a long history as an insect repellent, particularly against clothes moths—helping explain the traditional use of camphorwood for storage chests. Surprising takeaway: Camphor Burl’s distinctive workshop aroma is produced within the wood itself. Cutting or sanding exposes fresh surfaces and releases more of the volatile aromatic compounds.