Synthetics
Patchouli light essential oil smells like a warm, earthy patchouli with notes of old wood, balsam, and a slightly weedy aroma.
Luebke, William tgsc, (1984): Old wood woody balsamic weedy earthy
The Fragrance Conservatory: Patchouli oil is the distinct earthy-smelling essential oil of the patchouli plant, a tropical herb. it’s been used in perfumes almost as long as perfumes have been around.