Buchu leaf oil

Say itBOO-koo leaf oil

Blackcurrant and mint over a sulfurous, camphoraceous herbal note.

What it is: Natural oil from leaves of Agathosma betulina and A. crenulata.
Where it comes from: Western Cape, South Africa
When you smell it: Top notes: the first minutes.
What perfumers do with it: Traces boost cassis accords with natural sulfur tang; overdosed it turns catty.
Worth knowing: Its cassis note comes from a sulfur compound that chemists can also make from pulegone and hydrogen sulfide.
Also called: Buchu oil; Agathosma betulina; Agathosma crenulata

Named by the house, not on the label, in 1