Notes on Fragrance · A Four-Part Series

Part 1: The Foundation

Everything You Need to Know About Fragrance

March 20, 2026

Written by Gautam Kannan

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Fragrance is one of the oldest human practices on earth. It predates writing. It outlasted empires. Today it’s a $60 billion global industry, and it’s growing. This is Part 1 of a four-part series covering everything worth knowing: from ancient Tamil roots to the Elixir craze, from the nose behind your bottle to what to pair it with in your glass.

Gautam standing beside his fragrance collection of over 850 bottles including a full Frederic Malle shelf

Notes on Fragrance — Complete Series

1. Why Fragrance Matters

The Science of Smell

Of all the senses, smell has one of the most direct routes to the limbic system, the part of the brain that governs memory and emotion. A single note can transport you to a specific afternoon twenty years ago with more precision than a photograph can.

This isn’t poetic exaggeration, though the science is more nuanced than it’s often given credit for. Olfactory signals travel from the olfactory bulb to the amygdala and hippocampus without first passing through the thalamus, the relay station most other sensory information is routed through first, which is one reason scent is so often linked to sudden, involuntary memory. It’s called the Proustian effect, named after the writer Marcel Proust, who described being transported entirely by the smell of a madeleine dipped in tea.

Fragrance is also deeply personal. The same bottle smells different on every person who wears it. Your skin chemistry, diet, stress levels, and even the time of day all affect how a scent develops. This is why sampling matters. And it’s why fragrance, at its best, is a form of expression that nobody else can replicate exactly, not simply a luxury purchase.

Key Terms Worth Knowing

Fragrance has its own vocabulary. A few terms come up constantly throughout this series. There is a full glossary in Part 4 as an appendix. Worth bookmarking as a reference as you go.

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2. A Brief History of Perfumery

The word perfume comes from the Latin per fumum, meaning through smoke. The earliest perfumers were priests, not artisans or chemists. Burning aromatic resins like frankincense and myrrh was how ancient civilizations communicated with their gods. Scent was sacred before it was personal.

Frankincense and myrrh are among the oldest perfume materials in recorded history. They appear in Egyptian burial rites, in the Hebrew Bible, and of course in the story of the three wise men. These two resins were so valuable in the ancient world that they were considered gifts fit for kings. Frankincense remains a cornerstone of Middle Eastern and niche Western perfumery to this day.

Mesopotamia and Egypt Luxury flat lay of perfume ingredients including oud wood, rose petals, saffron and vetiver roots

The first perfumer recorded by name was a woman. Tapputi-Belatekallim was an overseer at the royal palace of Assur, in Assyrian Mesopotamia, and a cuneiform tablet dated to around 1200 BCE records her methods: flowers, oil, calamus, myrrh, and balsam, distilled and filtered again and again. She is often called the earliest chemist known to us by name. The Egyptians used kyphi, a compound temple incense that Plutarch records as a blend of sixteen ingredients, though the surviving recipes — inscribed at Edfu and Philae, and copied by Dioscorides, Plutarch, and Galen — do not agree on the list. Cleopatra, famously, is said to have scented the sails of her ships so that her arrival was announced on the wind before she was seen. Plutarch, our earliest source for that barge, describes purple sails, silver oars, and clouds of incense burning on the riverbanks rather than perfumed canvas.

The Tamil Contribution

Two of modern perfumery’s most essential ingredients trace their names directly to Tamil. Tamil is one of the world’s oldest classical languages, still spoken today in Tamil Nadu, Sri Lanka, Singapore, Malaysia, and parts of Southeast Asia.

Vetiver takes its name from the Tamil veṭṭivēr. The plant originates in southern India, and Ayurvedic tradition has long described its aromatic and cooling properties. Tamil Nadu and Kerala remain major vetiver-producing regions to this day. The word itself only entered French in 1824, and English around 1858, centuries after Tamil speakers had already made it central to their medicinal and spiritual practices.

Patchouli comes from the Tamil words pachchai (green) and ilai (leaf). Its use in South India predates its arrival in the West by centuries. Before Europeans ever encountered it, patchouli was burned to purify air and used in spiritual practices across the subcontinent. When Indian-made shawls arrived in Britain in the 19th century, traders used patchouli to protect the fabric from moths. Europeans fell in love with the smell before they even knew what they were smelling.

Indian Influences: Rose, Sandalwood, and Oud Ancient perfume ingredients including frankincense tears, myrrh resin, saffron, rose petals and a terracotta vessel

India’s contribution to perfumery goes far deeper than two ingredients. Perfume and perfumery existed in the Indus Valley civilization, which runs from roughly 3300 BCE to 1300 BCE. The Ayurvedic compendia Charaka Samhita and Sushruta Samhita catalogue aromatic plants, resins, and medicated oils in detail, though the deg-and-bhapka distillation that produces ittar — concentrated natural perfume oil — is a much later, Mughal-era development.

Sandalwood from Mysore, in southern India, remains one of the most prized raw materials in perfumery. Its warm, creamy, and long-lasting base note is irreplaceable. Indian rose, particularly from Kannauj in Uttar Pradesh, sometimes called the perfume capital of India, has been distilled into attar for centuries by the deg-and-bhapka method, certainly since the Mughal era.

Oud is also known as agarwood. The word oud comes from the Arabic al-oud, meaning the wood. It originated in the forests of South and Southeast Asia before traveling west along the spice routes. The agarwood tree, infected by a specific mold, produces a dark resin as a defense mechanism. That resin, when harvested and distilled, becomes oud oil, one of the most expensive raw materials on the planet, historically reserved for royalty across the Arab world and South Asia alike.

Persian Innovation

If South Asia gave perfumery its ingredients, Persia gave it its technology. The Persian polymath Abu Ali al-Husayn ibn Abdullah ibn Sina, known in the West as Avicenna, is commonly credited with refining the process of steam distillation around 1000 CE. Working with the Damask rose, he showed that passing steam through petals, then condensing the vapor, produced a pure, light essential oil. Credit him with refining rather than inventing, though: al-Kindi, in Baghdad more than a century earlier, had already written down the distillation of rose oil. What the method displaced were liquid perfumes made as crude blends of oil and crushed plant matter: heavy, inconsistent, and short-lived.

Steam distillation made fragrance portable and precise. It made rose water possible. And it laid the foundation for every bottle of perfume made since. Ibn Sina’s method has barely changed in a thousand years.

Persian culture also contributed saffron, musk, and ambergris, ingredients that remain central to oriental and Middle Eastern perfumery today. The word attar reaches English through the Persian ‘atir, perfumed, which comes in turn from the Arabic ‘itr, perfume.

The Arab Golden Age and European Awakening

During the Abbasid Caliphate in Baghdad (750–1258 CE), perfumery became a science. Al-Kindi, sometimes called the father of Arabic perfumery, wrote extensive treatises on extraction, distillation, and blending. Scholars catalogued hundreds of ingredients from across the trade routes that connected Asia, Africa, and Europe.

Fragrance reached Europe through two paths: the returning Crusaders in the east, and the Moorish trade routes through Al-Andalus in the west. By the Renaissance, Italian courts had become centers of perfumery. Catherine de’ Medici brought her Florentine perfumer René le Florentin with her when she married the French king, and France has been the capital of the fragrance world ever since.

The Oldest Fragrance Institutions Still Operating

Three institutions deserve mention for anyone who wants to understand where the industry came from.

Officina Profumo-Farmaceutica di Santa Maria Novella in Florence has been operating since 1221, when Dominican friars ran an apothecary at the church. They opened to the public in 1612. Their oldest fragrance still in production is Acqua di Colonia, also known as Acqua della Regina, traditionally attributed to 1533 and to the apothecary Renato Bianco — the René le Florentin above — and tied to Catherine de’ Medici’s marriage. That date is traditional rather than documented. The shop in Florence has barely changed in four centuries.

Farina 1709 in Cologne is considered the world’s oldest perfume factory. Johann Maria Farina, an Italian immigrant, founded it in Cologne, Germany, in 1709. He created Eau de Cologne and named it after his adopted city. The German name for Cologne is Köln, and it is from this city that an entire fragrance concentration takes its name. The company remains in family hands, now in its eighth generation.

Grasse, in the south of France, was a leather-tanning town from the 12th century and became the flower-growing engine that fed European perfumery from the 16th century onwards, once its tanners began scenting gloves for the Italian fashion that arrived with Catherine de’ Medici’s entourage. It remains the spiritual capital of the fragrance world.

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3. The Perfumer: The Nose

The Training

The person who creates a fragrance is called a perfumer. In the industry, the best of them are known simply as noses. It takes years of formal training to become one. ISIPCA in Versailles, the best-known school, runs seven initial programmes ranging from secondary level up to the equivalent of six years of higher education, and graduates then spend years working under experienced perfumers before being trusted to lead a creation.

Rarer Than Astronauts

Here is a line the industry likes to repeat: there are more people who have flown in space than there are working perfumers. Treat it as a figure of speech rather than a headcount. Nobody publishes a census of perfumers, and the numbers you see quoted, usually a few hundred to a thousand worldwide, trace back to trade-press estimates rather than to any register. What is not in dispute is that the number is small, and that the title master perfumer, the highest rung of the craft, belongs to a much smaller group still.

A trained nose can identify and distinguish hundreds of individual aromatic materials. The palette they work from runs to a few thousand ingredients, depending on the house. A single fragrance may use anywhere from twenty to over a hundred of these materials, though a brand will typically only list three notes on a marketing card for simplicity.

Creating a fragrance is not fast. A simple brief can take six months. A complex niche composition can take three years. Ernest Beaux presented Coco Chanel with a set of numbered samples, 1 through 5 and 20 through 24, and she picked the fifth. The number stuck because, as she is quoted as saying, she showed her collections on the fifth of May.

The Masters

Some of the most celebrated noses working today include Olivier Polge, Chanel’s in-house perfumer since 2015, who followed in his father Jacques’ footsteps; Francis Kurkdjian, co-founder of his own house and, since October 2021, perfume creation director at Parfums Christian Dior; Alberto Morillas of dsm-firmenich, co-creator of CK One with Harry Frémont and of a great deal else; and Dominique Ropion, given the title of master perfumer by IFF in 2018 and widely regarded as one of the greatest living perfumers.

Six of the world's greatest master perfumers

From left to right: Dominique Ropion (IFF), Alberto Morillas (Givaudan), Jacques Cavallier-Belletrud (Louis Vuitton), Christine Nagel (Hermès), Francis Kurkdjian (Dior), Quentin Bisch (Givaudan).

The New Generation

Among the newer generation, Quentin Bisch stands out. He tells interviewers he came to perfumery sideways, out of music and theatre, by way of a short internship in Grasse he never left. He works for Givaudan, and his credits are widely reported to include Delina for Parfums de Marly, Good Girl for Carolina Herrera, Le Beau Paradise Garden for Jean Paul Gaultier, and fragrances for Amouage’s Exceptional Extraits series. Givaudan does not publish perfumer biographies and the brands rarely name their noses on the bottle, so take all of that as the trade press has it rather than as company record. His approach, as he describes it, is to compose a fragrance the way a director stages a performance: strong ideas, careful construction, surprising effects.

A perfumer reaching for a vial among hundreds of ingredient bottles on white shelves, holding scent strips

A perfumer’s palette runs to a few thousand individual ingredients. Creating a fragrance can take years.

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4. Natural vs Synthetic Ingredients

The Case for Naturals

There is a persistent idea that natural fragrance ingredients are inherently better than synthetic ones. It’s worth unpacking, because the reality is more interesting.

Natural ingredients are irreplaceable in many ways. The depth, complexity, and living quality of a genuine Bulgarian rose absolute or real oud oil from Assam is something no synthetic has fully replicated. Naturals carry the variation of their terroir. The same ingredient grown in different regions smells subtly different, just like wine grapes do.

The Case for Synthetics

But synthetics are not the enemy. Many are essential. Ambroxan is one of the molecules that gives real ambergris its smell, formed when ambrein oxidises, but the perfumery material is not scraped off a beach: it is made from sclareol out of clary sage. It is responsible for the skin-close warmth and sillage of dozens of modern fragrances. Iso E Super gives cedar a creamy, shimmering quality that natural cedarwood oil cannot match. It is a woody, slightly smoky aroma chemical, technically an acetyl octahydronaphthalene rather than anything cedar-derived, and in practice a mixture of isomers; IFF patented it in 1975, and it is one of the reasons certain fragrances feel magnetic on skin. Musks, in their natural form, come from endangered animals. Synthetic musks allow those animals to exist undisturbed.

Synthetics also solve a practical problem. Some natural ingredients, oakmoss for example, a foundational note in classic chypre fragrances, are now heavily restricted by IFRA (the International Fragrance Association) on dermal sensitisation grounds, and the EU has gone further, banning outright the two sensitisers oakmoss carries, atranol and chloroatranol. Without synthetic alternatives, entire fragrance families would disappear.

Captive Molecules

Some houses go further. They develop and patent captive molecules: ingredients available exclusively to their perfumers that competitors cannot use. Firmenich’s Ambrox and Clearwood, Givaudan’s Akigalawood. These exclusive ingredients become part of a house’s signature and create a competitive moat that no clone can fully cross.

The best fragrances blend both naturals and synthetics. Knowing this makes you a more informed wearer and more skeptical of marketing that treats “all-natural” as a synonym for superior.

View Complete Article Part 2: Understanding Fragrance →
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Sources

  1. The olfactory route: smell signals bypass the thalamus, the relay every other sense passes through, and go from the olfactory bulb straight to the amygdala and hippocampus: Cleveland Clinic. Linda Buck and Richard Axel’s 1991 Cell paper found roughly 1,000 odorant receptor genes in mammals, about three percent of the genome, decoding odours combinatorially; they took the 2004 Nobel Prize for it: Nobel Prize press release. How little of odour coding is actually settled, and the 800-odd volatile compounds in something as ordinary as coffee: Harvard Magazine.
  2. The Proustian effect is real but weaker than the folklore. In the study the British Psychological Society’s research digest reviews, smell triggered more detailed and arousing memories than music but was no more transporting or vivid than light cues, and the authors declined to confirm the Proust phenomenon in its strict form: BPS Research Digest. Treat “smell is the only sense that does X” framing with caution.
  3. The global perfume market valued at USD 60.0 billion in 2025, projected to USD 63.5 billion in 2026 and USD 96.1 billion by 2033 at a 6.1% CAGR: Grand View Research. This is a commercial market-research figure, not an official statistic, and rival firms publish materially different numbers depending on whether they count fine fragrance alone or all scented personal care.
  4. The Latin root perfumare, to smoke through, and perfume’s existence in the Indus civilization, dated 3300 BCE to 1300 BCE: Wikipedia’s perfume entry, used here as a cross-check where nothing better is reachable. Note that 3300 BCE is the start of the civilization, not a dated perfume find. Tapputi-Belatekallim as an overseer at the royal palace of Assur under Tukulti-Ninurta I, the cuneiform tablet of around 1200 BC, her flowers, oil, calamus, cyperus, myrrh and balsam repeatedly distilled and filtered, and the claim that she is the earliest chemist known by name: Wikipedia, citing Martin Levey, Early Arabic Pharmacology, 1973, pp. 8–9. Assur is Assyrian, not Babylonian, which is why the article no longer says Babylonian.
  5. Frankincense traded on the Somali and Arabian peninsulas for more than 5,000 years, used with natron in Egyptian mummification, prescribed in Exodus for the incense burnt before the Ark, and named in Matthew as one of the gifts of the Magi: Wikipedia, which cites Herodotus and Pliny for the ancient Arabian harvest.
  6. Kyphi as an Egyptian compound temple incense; sixteen ingredients in Plutarch’s De Iside et Osiride, fifteen in Galen, ten common ingredients across Dioscorides’ versions, and Ptolemaic recipes inscribed on the temple walls at Edfu and Philae: Wikipedia. The sources disagree on the ingredient list, and some of the plant names are still contested, so the article names only the count Plutarch gives.
  7. Cleopatra’s barge on the Cydnus: Plutarch, Life of Antony 26, describes a gilded poop, purple sails, silver oars, and “wondrous odours from countless incense-offerings” diffusing along the riverbanks. He does not say the sails were perfumed. Text at LacusCurtius.
  8. Vetiver from Tamil veṭṭivēr via French, first known English use around 1858: Merriam-Webster. First French attestation 1824, from a Tamil word glossed simply as a kind of grass: CNRTL. Neither dictionary supports the widely repeated gloss “braided root,” which is why the article no longer carries it.
  9. Patchouli from Tamil paccuḷi, first English use 1845: Merriam-Webster. The breakdown into pachchai, green, and ilai, leaf, and the odd fact that the English attestation predates the French: Etymonline.
  10. Agarwood resin forming when Aquilaria trees are infected by the mould Phaeoacremonium parasitica, the Arabic ʿūd behind “oud,” the trees’ South and Southeast Asian range across seventeen species, and top-grade wood reaching figures around US$100,000 a kilo and above: Wikipedia.
  11. Indian sandalwood, Santalum album, running around 90% santalol against roughly 39% for the Australian species, listed Vulnerable by the IUCN, state-owned in Karnataka until 2001–02 with cutting regulated even on private land, and output falling from about 4,000 tonnes in the early 1970s to under 300 tonnes by 2011: Wikipedia.
  12. Kannauj distilling attar for centuries, especially since the Mughal era, by the deg-and-bhapka copper-still method, with a GI tag granted in 2014: Wikipedia. The Charaka Samhita is dated by Meulenbeld between the 4th century BCE and the 2nd century CE and catalogues aromatic barks, leaves and medicated oils, but does not describe the distillation of ittar: Wikipedia. The article previously said it did; it no longer does.
  13. Two sources disagree on who deserves credit for distilling rose. Avicenna, 980–1037 per Britannica, is “commonly credited with the discovery of rose water” and with using steam distillation to draw essential oil from petals: Wikipedia on rose water and Wikipedia on Avicenna. But al-Kindi, c. 801–873, had already set down the distillation of rose oil and 107 perfume recipes in the Kitāb Kīmiyā’ al-ʿiṭr wa-l-taṣʿīdāt: Wikipedia. That is a century and a half before Ibn Sina, so the article now says refined rather than invented.
  14. Attar reaching English through Persian ʿaṭir, perfumed, from Arabic ʿiṭr, perfume, first known English use 1790: Merriam-Webster. The article previously called the word simply Persian in origin.
  15. Santa Maria Novella: the Dominicans settling in Florence in 1221, the Officina opening to the public in 1612, and Acqua della Regina traditionally attributed to 1533 and to the apothecary Renato Bianco — Catherine de’ Medici’s René le Florentin — as a wedding gift for the future Henri II: Wikipedia, which flags that 1533 attribution as traditional rather than documented while dating the pharmacy itself from records of 1508 and 1542.
  16. Farina founded in Cologne on 17 July 1709 by Giovanni Maria Farina, described as the world’s oldest perfume factory still in existence, the firm formally registered as Johann Maria Farina gegenüber dem Jülichs-Platz in 1733, and the eighth generation of the family still making the original: Wikipedia. The naming of Eau de Cologne after his adopted city, and the 1708 letter describing an Italian spring morning: Wikipedia. The article previously said eighth and ninth generations; the sources say eighth.
  17. Grasse: UNESCO’s inscription records that the growing and processing of perfume plants there developed “since at least the sixteenth century, in a craft industry long dominated by leather tanning”: UNESCO Intangible Cultural Heritage. Tanning from the twelfth century, scented gloves made for the Italian fashion arriving with Catherine de’ Medici’s entourage, and the corporation of glovers-perfumers recognised by the king in 1614: Wikipedia. The article previously dated Grasse’s perfumery to the 14th century; nothing reachable supports that.
  18. ISIPCA in Versailles listing seven initial training programmes running from Bac to Bac+6, i.e. secondary level up to six years of higher education: ISIPCA. Post-school apprenticeship under an established perfumer described as lasting around three years: Wikipedia, which gives no global headcount of perfumers and makes no comparison to astronauts. No trade body, school or industry association reachable in this pass publishes a census of working perfumers, so the article treats the astronaut line as a saying rather than a statistic and drops the “400 to 600” figure and the quote formerly attributed to Dior.
  19. Chanel No. 5: created by Ernest Beaux for Gabrielle Chanel and launched in 1921; Beaux submitted samples numbered 1 to 5 and 20 to 24, Chanel chose the fifth, and the quoted reason is that she presented her collections on the fifth of May. The famous story of a lab assistant overdosing the aldehydes is repeated in the same entry but is not independently established: Wikipedia.
  20. Perfumer attributions, each from the individual’s own entry: Olivier Polge joining Chanel in 2013 and succeeding his father Jacques as head perfumer in 2015 (Wikipedia); Francis Kurkdjian co-founding Maison Francis Kurkdjian with Marc Chaya in 2009 and appointed Dior’s perfume creation director in October 2021 (Wikipedia); Alberto Morillas a master perfumer at dsm-firmenich, not Givaudan, who joined Firmenich in 1970 and created CK One in 1994 with Harry Frémont (Wikipedia); Dominique Ropion given the master perfumer title by IFF in 2018 (Wikipedia); Jacques Cavallier-Belletrud master in-house perfumer at Louis Vuitton since 2012 (Wikipedia); Christine Nagel sole in-house perfumer and director of olfactive creation at Hermès since 2016 (Wikipedia). The Morillas correction matters: the article previously placed him at Givaudan.
  21. Quentin Bisch: I could not verify his biography, his employer, his awards, or his credits from Givaudan or from any of the brands named. Givaudan’s own fine fragrance perfumers page names no individual perfumers at all. Everything in that paragraph therefore comes from interviews and trade coverage, and the article now says so.
  22. Ambroxide, sold as Ambroxan or Ambrox, is a naturally occurring terpenoid and one of the key constituents responsible for the odour of ambergris, formed by autoxidation of ambrein — but the commercial material is synthesised from sclareol out of clary sage oil, by oxidative degradation to a lactone, hydrogenation to a diol, and dehydration: Wikipedia. The article previously said Ambroxan is derived from ambergris, which is backwards.
  23. Iso E Super is C₁₆H₂₆O, IUPAC name 1-(2,3,8,8-tetramethyl-1,2,3,4,5,6,7,8-octahydronaphthalen-2-yl)ethanone — an acetyl octahydronaphthalene, not a cyclohexanone derivative as the article previously claimed: PubChem. Patented in 1975 by International Flavors & Fragrances with John B. Hall and James Milton Sanders as inventors, and sold as a multi-constituent isomer mixture: Wikipedia. A contemporaneous IFF patent by the same two inventors on octahydrotetramethyl acetonaphthone isomers, filed 3 December 1974 and published 30 December 1975, is at Google Patents; that particular filing covers an amber-smelling isomer rather than the woody one sold as Iso E Super.
  24. Oakmoss is restricted, not banned, by IFRA. Standard 067, Amendment 49 (2020), is a restriction and specification driven by dermal sensitisation, running from 0.020% in Category 1 to no restriction in Category 12, and requiring that atranol and chloroatranol each stay below 100 ppm in the extract: IFRA Standard, PDF, from the IFRA Standards Library. The EU went further: Regulation (EU) 2017/1410 prohibits atranol, chloroatranol and HICC, barring products containing them from being placed on the Union market from 23 August 2019 and made available from 23 August 2021: EUR-Lex. Separately, Regulation (EU) 2023/1545 expands individually labelled fragrance allergens to around eighty substances, with deadlines of 31 July 2026 to place non-compliant products on the market and 31 July 2028 to make them available: EUR-Lex. Evernia prunastri extract is not among the substances that regulation newly adds.
  25. Captive molecules: Clearwood is a dsm-firmenich material, created in 2014 by biotechnology from responsibly sourced sugarcane and giving a dark woody, patchouli-like character, alongside Ambrox Super (2016), Z11 (2018) and Dreamwood (2020): dsm-firmenich. The article previously attributed Clearwood to IFF. Akigalawood is Givaudan’s, made by a biotechnology process from patchouli oil fractions that would otherwise be discarded, with woody facets of patchouli and agarwood: Givaudan on upcycling and Givaudan’s captives page.
  26. Deer musk pods are “normally obtained by killing the male deer,” trade in natural musk is controlled under CITES, and nearly all musk used in perfumery today is synthetic: Wikipedia, used as a cross-check; the IUCN and CITES species pages themselves would not render in this pass, so the specific Red List category for each Moschus species is not cited here.
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