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 Oxygene are lactonic and fresh spicy. It opens with Indian White Pepper and Bergamot, reveals Milk and Gardenia at its heart, and dries down to Musk and Iris. People reach for it in spring and summer, mostly by day.
How a perfume unfolds →