To remove Superfluous Hair (1857)

“This is very difficult… Madame Elisi Voiart, in her ‘Encyclopedie des Dames,’ recommends a few drops of dulcified spirit of salt, (that is, muriatic acid distilled with rectified spirits of wine,) to be applied with a camel hair pencil.” Receipts for the Million, 1857 (muriatic acid = hydrochloric acid)