The one match we list is Alexandria Fragrances Upside Down, from $44.99. It is provisionally scored 7 for accuracy and 6 for longevity: we don't yet have a source for those scores that you can check.
Provisional scores: no source for them that you can check yet.
Every pairing shows where it comes from and how far we trust it.
Captures the rum-heliotrope accord but the tobacco dry-down is gentler and less complex than Initio's.
What is missing: a source for these scores that you can open and check. Until we have one, the scores are drawn hatched, not solid.
Wear Upside Down or Side Effect? Tell us how they compare. Reports like yours are what move a match up a level.
Side Effect has one match so far. These are the closest scents by shared notes that have several.
Opens with a dark, boozy rum that smells less like a cocktail and more like spilled rum soaking into aged wood. The tobacco arrives quickly, lending dry smokiness that keeps the sweetness from reading as candy. Through the heart, heliotrope adds a soft, powdery almond-like quality that bridges tobacco and vanilla without softening the composition into something timid. The dry-down is rich, warm, and persistent — vanilla and ambrette creating a skin-close sweetness undercut by musk. Projection is significant in the first few hours, then settles into a dense, intimate sillage that clings for hours. — Made for cold-weather evenings, date nights, anyone who wants a bold, uncompromisingly grown-up gourmand.
The top-scored match we list, Alexandria Fragrances Upside Down, has a provisional accuracy 7 for $44.99–$109.99 — a score we can't yet back with a source you can check. Treat it as a lead worth sampling rather than a verified stand-in; the original stays the reference.
The top dupe of Initio Parfums Privés's Side Effect is Upside Down by Alexandria Fragrances, provisionally scored at 7/10 for accuracy and 6/10 for longevity. At $45 against the $420 original, it saves roughly $375 per bottle. It's the only scored dupe of Side Effect so far, with more on the way as community evidence accumulates.
The highest-scored dupe we list for Side Effect is Upside Down by Alexandria Fragrances. Its scores are provisional (7/10 accuracy, longevity 6/10): we do not yet have a source for them that you can open and check.
Side Effect by Initio Parfums Privés is a oriental/gourmand scent built on rum, tobacco, heliotrope, vanilla, ambrette, musk. Those notes define its character — browse any of them above to find fragrances that share the same profile.
The closest scents to Side Effect by shared notes are Kilian Straight to Heaven, Tom Ford Bitter Peach, Tom Ford Tobacco Oud. See the full "similar fragrances" list below — each is ranked by how many notes it shares with Side Effect.
Dupes are rated on two independent dimensions: scent accuracy (how closely it matches the original) and longevity (how long it lasts on skin). Scores come from owner reports on Reddit r/fragrance, r/fragranceclones and Fragrantica, and each is marked community-scored, provisional or not scored. They are never averaged into a single number — accuracy and longevity are separate decisions.
No. The Scent File takes no brand deals, no sponsorships, and no paid rankings. Rankings follow the scores only. We do earn affiliate commission when you purchase through our links at no extra cost to you — but this never influences which dupes appear or how they are scored.
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