A Cataplasm with Fullers Earth.
Take crumb of white Bread 4 ounces, white Poppy-seed bruis'd 2 ounces; Boil in Milk; strain away the clear, to the remainder , add powder'd Fullers-Earth, Oil of Roses, each 2 ounces; oil of Mace by Expression 1 dram; Camphire 1 scruple, mix.
Shave the Head, and apply this when the Pericranium (being over-heated and almost inflamed) exciteth watching and Phrenzy.
But when the Cause lieth wholly inward, and the Brain itself is affected, I can hardly conceive how it is possible, for outward Applications to have any considerable Operation through the Cranium and Meninges.
Thomas Fuller
Pharmacopeia Extemporanea 1710