This section is from the book "A Treatise On Therapeutics, And Pharmacology Or Materia Medica Vol2", by George B. Wood. Also available from Amazon: Part 1 and Part 2.
Bran contains a little starch, albumen, and probably gum, which it yields to water, forming a mucilaginous infusion, which may be advantageously used for general baths, in cutaneous affections. I have frequently employed the remedy in these cases, and have had reason to be satisfied with its effects. From half a peck to a peck of the bran may be put in each bath, of which the water may be heated to 95° or 100°, according as the affection is acute or chronic.
 
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