What perfumes are similar to Opera 9?+
Fragrances with the closest accord profile to Opera 9 by MATCA: Aqua Allegoria Mandarine Basilic by Guerlain; Libre by Yves Saint Laurent; Eau De Magnolia by Frederic Malle. Each is selected by cosine similarity on accord strengths and shared notes.
Why are these perfumes considered similar?+
Similarity is computed from three signals: (1) cosine similarity between accord strength vectors, (2) Jaccard overlap on note sets across the pyramid, (3) a curated "often compared to" list from community mentions. The top matches blend all three.
Which notes drive the Opera 9 profile?+
Opera 9's opening signature comes from Bitter Orange, Mandarin Orange, Bergamot. Similar perfumes usually carry at least 2 of these same top notes alongside matching heart accords.
