This week, the New York Times printed an article called: “You Will Never Smell My World the Way I Do”. It opens with this statement:
The scent of lily of the valley cannot be easily bottled. For decades companies that make soap, lotions and perfumes have relied on a chemical called bourgeonal to imbue their products with the sweet smell of the little white flowers. A tiny drop can be extraordinarily intense.
If you can smell it at all, that is. For a small percentage of people, it fails to register as anything.
The article is about a newly published research study that confirms what many of us know, i.e. that different people perceive different scents in different ways, and also identifies one reason why that is: our genetic make-up, specifically a single genetic mutation, in many instances. This is a scientific breakthrough, one that the researchers themselves did not expect, according to the New York Times:
The work provides new evidence of how extraordinarily different one person’s “smellscape” may be from another’s. It’s not that some people are generally better smellers, like someone else may have better eyesight, it’s that any one person might experience certain scents more intensely than their peers
“We’re all smelling things a little bit differently,” said Steven Munger, director of The Center for Smell and Taste at the University of Florida, who was not involved in the study.
The scientists who conducted the study looked for patterns in subjects’ genetic code that could explain these olfactory differences. They were surprised to find that a single genetic mutation was linked to differences in perception of the lily of the valley scent, beet’s earthiness, the intensity of whiskey’s smokiness along with dozens of other scents.
Fascinating! And now we know why one person’s Diorissimo is another person’s cat pee. This is also why there is no point in arguing with another perfumista about what they smell in your favorite fragrances; it may very well be entirely, and legitimately, different from what you smell.
Bourgeonal is not the only option available to perfumers and noses, however. It is only one of many “muguet” fragrance molecules, which have to be created synthetically because it isn’t possible to extract fragrant essences from lilies of the valley the way one can with flowers like roses and lavender. Other synthetic molecules used to create a “muguet” scent include: hydroxycitronellal, Lilial, Lyral, Cyclosal, Heliopropanal, and a relatively new introduction from Symrise, Lilybelle. For an in-depth professional article by a Firmenich chemist on the evolution of muguet fragrances, go here: Beyond Muguet. Chemist Mat Yudov also wrote a terrific article about the chemistry of muguet fragrances two years ago on Fragrantica: May Greetings: New Lily of the Valley Aromachemicals.
I’m glad to know that there is a new generation of aromachemicals available to support one of my favorite notes in fragrance, regardless of IFRA restrictions. Bravo, chemists! Do you have any fragrance notes that you know you simply don’t smell? Has your perception of any perfume been affected by that?
Featured image from Fragrantica.
Serenity Now Scents and Sensibilities 
I know that I do not smell something that others describe as “sweet,” for example, in Le Labo’s Santal 33.
I like LotV smell but knowing that it’s not produced naturally from the flower, I’m reluctant to pay $$$ for soliflores made from aromachemicals that recreate that flower.
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I hear you! I’m reluctant to pay $$$ for most scents — I usually aim for $$. Sometimes I can find the $$$ scents on sale for something closer to my range.
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Some roses have a quite rare myrrh fragrance. I have met people who could smell nothing at all from a strongly myrrh scented flower. It is quite strange to experience that, especially immediately after smelling the fragrance yourself.
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Yes, that’s odd, isn’t it? Apparently scientists are finding there are genetic variations that make some smells undetectable to some people.
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