Similarity is based on note and accord overlap, not molecular analysis.
Differences come from accords and community votes on longevity and sillage.
The main accords of Patchouli are woody and amber. Its key notes are Patchouli, Tolu Balsam, French Labdanum and Vanilla. It lasts long and projects strongly; people reach for it in autumn and winter, day or night.
How a perfume unfolds →