What perfumes are similar to Catalyst?+
Fragrances with the closest accord profile to Catalyst by Halston: Amarige by Givenchy; First Van Cleef & Arpels perfume by Van Cleef Arpels; Arpège by Lanvin. 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 Catalyst profile?+
Catalyst's opening signature comes from Hyacinth, Bergamot, Gardenia, Peach. Similar perfumes usually carry at least 2 of these same top notes alongside matching heart accords.
