Tincture of benzoin

Tincture of benzoin is a pungent solution of benzoin resin in ethanol. A similar preparation called Friar's Balsam or Compound Benzoin Tincture contains, in addition, Cape aloes or Barbados aloes and storax resin. The U.S. Navy stated that Compound Tincture of Benzoin was composed of the alcohol-souluble principles from benzoin, aloes, storax, and balsam of tolu. Friar's balsam was invented by the English doctor and MP Joshua Ward c. 1760.

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