An ingredients list tells us what is present, but very little about why it came to be there.
Behind a formula there may be a coastline, a century, a particular habit of bathing, a substance once kept in ceramic or metal, a passage encountered in an old text. None belongs on the INCI, of course. Yet they can still determine the direction of what eventually reaches the bottle.This is where Priestess begins.
Not with antiquity as decoration, but with a question: what were people trying to accomplish when they washed, anointed, perfumed or prepared the body, and what survives once the distance of centuries is taken seriously?
The distinction matters. History is wonderfully generous with ideas and considerably less reliable as a cosmetic chemist.
Roman preparations could contain substances we would have no interest in reproducing now. Others reveal concerns that remain immediately recognisable: cleansing the skin, retaining suppleness, scenting the body, protecting it from climate, improving the appearance of the surface before entering public life. The materials change. The intentions are often less unfamiliar.
That is the useful part.