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 Black Orchid Eau de Toilette are woody and earthy. It opens with Truffle and Ylang-Ylang, reveals Black Orchid and Tuberose at its heart, and dries down to Patchouli and Incense. It lasts long and projects strongly; people reach for it in autumn and winter, mostly in the evening.
How a perfume unfolds →