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)

A Depilatory (1100s)

Place three ounces of [quicklime] in a potter’s vase and cook it in the manner of a porridge. Then take one ounce of orpiment and cook it again, and test it with a feather to see if it is sufficiently cooked. Take care, however, that it is not cooked too much and that it not […]