Cosmogony Blue Flash: released in 2024, aromatic, woody and fresh spicy, about 6h on skin, projection 8/10, sillage 4/10. The alternatives below are matched to that profile.
The closest Cosmogony Blue Flash dupe we found is Rasasi Fattan — 86% match, about $40 (estimate) versus about $150 for a 100 ml bottle.
The five closest scent matches — the best Cosmogony Blue Flash dupes we found, ranked by opening & dry-down similarity:
| # | Alternative | Scent match | Est. price (100 ml) | Longevity vs Cosmogony Blue Flash | Projection |
|---|---|---|---|---|---|
| 1 | Rasasi Fattan | 86% | about $40 (−73%) | 6h vs 6h | 6/10 |
| 2 | PARIS CORNER Vibrant Vetiver Delight | 85% | about $30 (−80%) | 5h vs 6h | 6/10 |
| 3 | Armaf Tres Nuit Lyric | 82% | about $20 (−87%) | 5h vs 6h | 6/10 |
| 4 | Lattafa Perfumes Najdia | 80% | about $25 (−83%) | 6h vs 6h | 7/10 |
| 5 | Afnan Turathi Blue | 79% | about $40 (−73%) | 7h vs 6h | 7/10 |
Shares the earthy, woody, and citrus-spicy character of Terre d'Hermès, leaning into a rich vetiver and oakmoss profile.
It shares its woody, earthy and aromatic accords with Cosmogony Blue Flash, lasts about 6h against 6h and carries 1,772 community ratings.
Mimics the earthy, green, and mossy dimensions of classic woody-aromatic compositions like Terre d'Hermès.
It shares its aromatic and woody accords with Cosmogony Blue Flash, lasts about 5h against 6h and carries 520 community ratings.
Evokes the fresh spicy and aromatic woodiness found in the Terre d'Hermès lineage, offering clean opening brightness.
It shares its aromatic, fresh spicy and woody accords with Cosmogony Blue Flash, lasts about 5h against 6h and carries 351 community ratings.
In the same vibrant fresh-spicy family with prominent citrus and woody undertones.
It shares its aromatic, fresh spicy and woody accords with Cosmogony Blue Flash, lasts about 6h against 6h and carries 1,550 community ratings.
Blends bright citrus with a deep woody base in a manner appealing to fans of aromatic profiles.
It shares its woody and amber accords with Cosmogony Blue Flash, lasts about 7h against 6h and carries 8,305 community ratings.
Armaf Tres Nuit Lyric, at about $20 for 100 ml (estimate) — around 85% less than Cosmogony Blue Flash.
Afnan Turathi Blue, at about 7h on skin, against about 6h for Cosmogony Blue Flash.
Rasasi Fattan, at 86% overall scent match across the opening and the dry-down.
At 4 sprays a day — about 146 ml a year — Rasasi Fattan saves you about $160 a year against Cosmogony Blue Flash. Both priced at 100 ml; prices are estimates.
Across 2,358 originals, the median designer bottle is $120 and its closest match $30 — the Dupe Report 2026.
On an 8-hour day, none of the 5 last a full 8 hours. Afnan Turathi Blue comes closest at 6.5h, so it needs one re-spray to cover the day.
Cosmogony Blue Flash notes, performance and price
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Updated 2026-10-31.