Diapalma

In pharmacology, diapalma (from Lat dia, "made of" + palma, "palm"[1]) is a desiccating or drying plaster, named for the wood of the palm tree, from which the spatula is made that is used to stir the mixture while boiling.

[2] It was formerly composed of common oil, hogs-fat, and litharge of gold;[2] or also of palm oil, litharge, and zinc sulfate.

Now, it is made of white wax, emplastrum simplex, and sulfate of zinc.

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