Note 540 — BOOK XII. THE NATURAL HISTORY OF TREES.
John Bostock translation
For some further account of this substance, see B. xxix. c. 10. Filthy as it was, the œsypum, or sweat and grease of sheep, was used by the Roman ladies as one of their most choice cosmetics. Ovid, in his “Art of Love,” more than once inveighs against the use of it.