Bergamot is pressed by hand in Calabria, in the cold, because warm rind gives up its oil too easily and the result is flat. The difference is three hours of work and about four percent of the yield.
We buy iris root that has been drying for three years before anyone is allowed to touch it. Two years is cheaper. Two years also smells like carrot.
None of this is visible in the bottle. That is rather the point.
