The Library · Chapter 1 of 4
The Instruments
Interactive tools: the scent quiz, the decant calculator, the accord builder, the note pairing matrix and five hands-on challenges to sharpen your nose.
About 11 minutes of reading
Scent Quiz
The site’s quiz is the picture quiz: five pictures that point to a scent family, with three records to explore.
An older, longer game, kept for fun Answer 6 questions to discover your fragrance personality and get personalized recommendations.
Question 1 of 6
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Evidence for this section: 1 labeled
Decant Calculator
Work out the cost per milliliter of a bottle you own or are weighing up, and roughly how many wears it holds. The arithmetic is exact; the wears depend on the sprayer (modeled).
Open the Decant Calculator in the Olfactory Laboratory (Science): one calculator for the whole site.
Modeled: wears and years assume the millilitres per spray you enter; sprayers vary
Accord Builder
Build your own fragrance accords by selecting notes from each tier. The analysis updates as you choose - a teaching model of how notes combine, not a formula.
Modeled: projection and longevity are read from the notes chosen
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Evidence for this section: 1 labeled
Note Pairing Matrix
Discover which notes work harmoniously together. Choose any pairing to read why it works - the house’s reading, drawn from classic compositions.
| Rose | Jasmine | Sandalwood | Vanilla | Bergamot | Patchouli | Oud | Musk | |
|---|---|---|---|---|---|---|---|---|
| Rose | — | ★★★ | ★★★ | ★★ | ★★★ | ★★★ | ★★★ | ★★★ |
| Jasmine | ★★★ | — | ★★★ | ★★ | ★★ | ★★ | ★★★ | ★★★ |
| Sandalwood | ★★★ | ★★★ | — | ★★★ | ★★ | ★★ | ★★★ | ★★★ |
| Vanilla | ★★ | ★★ | ★★★ | — | ★ | ★★★ | ★★★ | ★★★ |
| Bergamot | ★★★ | ★★ | ★★ | ★ | — | ★★★ | ★★ | ★★ |
| Patchouli | ★★★ | ★★ | ★★ | ★★★ | ★★★ | — | ★★★ | ★★ |
| Oud | ★★★ | ★★★ | ★★★ | ★★★ | ★★ | ★★★ | — | ★★★ |
| Musk | ★★★ | ★★★ | ★★★ | ★★★ | ★★ | ★★ | ★★★ | — |
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Evidence for this section: 1 labeled
Olfactory Fatigue Timer
Pace a smelling session. The nose adapts to what it keeps smelling, so many perfumers rest between rounds; this timer makes the pause deliberate. The lengths are common practice, not a measured rule.
Smell adapts: after a while with the same smell, the nose registers less of it (olfactory adaptation), and the fine differences between fragrances go first. Many evaluators work in short rounds with a few fragrances each and rest in between. How long a rest needs to be varies; the presets are common choices, not a measured threshold.
- Coffee beans: a common ritual; whether they help is debated
- Your own skin: many use the familiar smell of the inner elbow as a neutral reference
- Fresh air: step outside for a few minutes
- Wool fabric: some keep unscented wool to hand as a neutral smell
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Evidence for this section: 2 labeled
The Perfumer’s Playground
Five hands-on challenges to sharpen your nose and your knowledge.
Build an Accord
Select exactly 3 notes. The system will identify the accord family and classic examples.
Note Memory
Match fragrance notes with their source materials. Moves: 0 | Matched: 0/8 | Best: —
Expert Quiz
Ten questions, each answered by a record on this site. Question 1 of 10 | Score: 0
Pyramid Builder
Put each note in its tier - top, heart or base. Drag it, or pick it and then choose the tier; pick a placed note to send it back to the bank.
Blind Brief
A random client brief. Sketch your formula concept — no right answer.
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Evidence for this section: 2 labeled
Gift Finder
Answer three questions about the person and the page suggests a few fragrances from other houses to consider. Suggestions, not an offer: nothing here is for sale.
Open the Gift Finder in the Olfactory Laboratory (Science): one finder for the whole site.
The house’s picks from other houses; ranges are rough and prices change; nothing here is for sale
Weather Selector
Choose the weather and the occasion for a few suggestions from other houses - the house’s own picks. Heat and humidity change how a fragrance wears.
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Evidence for this section: 4 labeled
Side-by-Side Comparator
Set two well-known fragrances from other houses side by side: the wear and projection people commonly report, and the materials commonly associated with each. Impressions, not measurements; nothing here is for sale.
Modeled: the bars draw our reading on a five-step scale
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Evidence for this section: 2 labeled
Compliment Scores
Fragrances often said to draw “what are you wearing?” Modeled: the house’s reading of community talk, not a measurement.
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Evidence for this section: 1 labeled
Sample Sets
The smartest way to explore. These discovery sets offer good value and variety. Ratings are modeled: the house’s reading, not a measurement.
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Evidence for this section: 5 labeled
Collection Analytics
List your bottles, one per line: the page reads the families and seasons of the ones it knows and points out gaps. Nothing is stored or sent - the list stays in this page.
Modeled: families and seasons are the house’s reading of the bottles it knows
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Evidence for this section: 1 labeled
Worth Trying
You’ve learned the science. Now here’s the art — personally chosen suggestions across the main categories and occasions. These are fragrances we think worth knowing.
First Fragrances
A modern masculine reference point. Fresh, woody, widely liked without being boring. Works in most situations — office, date, gym, funeral. If you own one fragrance, this is defensible. Iso E Super provides that “can’t quite place it” magnetism.
A widely worn men’s fragrance. Ambroxan-forward, fresh-spicy, projects hard. Polarizing among enthusiasts but popular with most others. If compliments are your goal, this is a dependable choice.
The modern feminine classic. Fresh, floral, slightly spicy — sophisticated without being matronly. The patchouli base gives it depth; the orange keeps it bright. Two decades on, still a reference point for many feminine fragrances.
Affordable Excellence
A well-loved budget classic. Fresh, aquatic, clean — and made by Maurice Roucel, who also created Musc Ravageur for Frédéric Malle. A reminder that price doesn’t determine quality. A good summer scent. Inoffensive. Money well spent.
Mediterranean freshness in a bottle. Neroli, citrus, amber — clean and slightly sweet. Created by Alberto Morillas, the nose behind Acqua di Giò. It smells better than its modest price suggests. Office-appropriate, date-worthy, genuinely versatile.
Zara’s hidden gem. Sweet, slightly boozy, reminiscent of Paco Rabanne 1 Million. The caramel-cinnamon opening settles into a warm amber base. Legitimately good — not “good for the price,” just good. Club-ready.
Niche Essentials
A landmark modern rose. Massive Turkish rose absolute over patchouli, incense, and sandalwood. Long-lasting (the house’s reading). Commands attention. A masterpiece, to our nose.
Woody, slightly smoky, undeniably fresh. Pine needles and bergamot open into a vanilla-sandalwood base. One of the fragrances that made Byredo’s name. Easy to wear, easy to remember. The scent of expensive hotels and people who read literary fiction.
The smell of Brooklyn, SoHo, and many an upscale hotel lobby. Cardamom, violet, sandalwood, leather — smoky, androgynous, ubiquitous. So popular it’s almost cliché. But it became cliché because it’s genuinely excellent. A modern signature scent.
Connoisseur Selections
Named for the hot Saharan wind. Tobacco, hay, honey, incense — dry sweetness without cloying. Christopher Sheldrake created liquid North Africa. Coumarin and benzoin provide the backbone; tobacco leaf provides the soul. A favorite oriental of ours.
Medieval cathedral in a bottle. Frankincense, myrrh, and cold stone. Part of the Incense Series — Comme des Garçons’ meditation on sacred spaces. Not conventionally “wearable” but utterly transporting. Close your eyes and you’re in a 12th-century nave. Art perfumery at its best, to our nose.
Animalic florals done fearlessly. Jasmine sambac, tuberose, and civet create something almost uncomfortably carnal. Not for the timid. Liz Moores crafted a fragrance that smells like desire itself. A favorite modern animalic of ours. Polarizing, unforgettable, magnificent.
Seasonal Signatures
SUMMER: The Italian citrus cologne, first made in 1916. Sicilian citrus, lavender, rosemary — the smell of Mediterranean mornings. Light enough for scorching heat, sophisticated enough for dinner on the coast.
WINTER: Christmas in a bottle. Tobacco leaf, tonka bean, vanilla, spices — sweet, warm, enveloping. Projects aggressively in cold air. Helped popularize the gourmand-tobacco style. A modern classic that will make you smell like success and poor decisions.
SPRING: Green mango, lotus, and sycamore fig from Jean-Claude Ellena’s journey down the Nile. Watery, vegetal, utterly refreshing. Smells like a garden after rain. An original, wearable fragrance of the 2000s. Quintessential spring freshness.
1 sourced · 12 labeled
Evidence for this section: 1 sourced · 12 labeled
Sources cited here include: Osmothèque, Conservatoire international des parfums


