How to Get a Manicure, c. 1150

Tacuinum sanitatis (14th c., Biblioteca Casanatense)

One who has very ugly nails should smear them with liquid from the little bladder of the bumblebee and tie it with a band. He should do this until they become beautiful.

Hildegard of Bingen, Physica 

Better make sure your beautician is also trained in entomology.