There is a familiar ritual to wine tasting.
The glass is lifted. We look at the color. We swirl. We bring the wine toward the nose and take a slow breath. We search for fruit, flowers, herbs, earth, oak, spice and perhaps something we cannot quite name.
Then we taste.
But there is something else happening during those few seconds—something that most wine drinkers rarely consider.
What else are you smelling?
It could be personal fragrance from the person sitting beside you. Perfume, cologne or another scented product from someone across the tasting bar. Strongly scented laundry detergent still clinging to someone’s sweater. Hand lotion. Hair products. A scented candle. Cleaning products. Freshly cut grass.
Or perhaps the fragrance isn’t coming from another person at all.
Maybe you’re sitting on a winery patio surrounded by lavender and rosemary.
And that raises a fascinating question:
Can the smells surrounding us change the way we experience the wine in our glass?
The short answer is yes—at least in principle, and very likely in practice.
The reason begins with a simple fact that can be surprisingly difficult to appreciate:
Much of what we call “taste” is actually smell.
And wine is an unusually smell-dependent beverage.
Taste Is Not the Same Thing as Flavor
In everyday conversation, we tend to use the words taste and flavor interchangeably.
Scientifically, however, they are not the same thing.
The tongue detects five primary taste qualities:
- Sweet
- Sour
- Salty
- Bitter
- Umami
Wine certainly stimulates these systems. Acidity contributes sourness; residual sugar contributes sweetness; alcohol, acids and tannins contribute sensations such as bitterness, warmth and astringency.
But the experience we describe as flavor is considerably more complicated.
Flavor is a multisensory experience involving taste, smell, touch, temperature and other sensory information. Olfaction is a particularly important component.
This is why a person with a severely blocked nose can drink a glass of wine and suddenly find that much of its recognizable character seems to disappear.
The wine has not changed.
The sensory information reaching the brain has changed.
The Nose Has Two Ways of Smelling Wine
Wine engages our sense of smell through two primary routes.
Orthonasal olfaction
This is the smell most people think about when they think about smelling wine.
You hold the glass beneath your nose. You inhale. Volatile compounds evaporating from the wine enter through the nostrils and reach the olfactory system.
This is orthonasal olfaction—smelling something from the outside world.
Retronasal olfaction
The second pathway is considerably more interesting.
Take a sip. Swallow. As volatile compounds are released from the wine inside the mouth and throat, they travel upward through the back of the nasal passage and reach the olfactory receptors from the opposite direction.
This is retronasal olfaction.
It is one of the reasons wine can seem to develop additional flavors after it enters the mouth.
Scientists studying wine aroma describe retronasal perception as a major contributor to the overall experience of wine flavor.
In other words, your nose is participating in the experience even when you aren’t consciously thinking about smelling.
And that becomes important when we introduce another source of aroma.
Your Brain Doesn’t Know That Your Fragrance Isn’t Part of the Wine
Imagine sitting at a tasting bar. You lift your glass. You smell the wine.
But the person sitting next to you has applied a strongly scented personal fragrance.
Your nose receives both sets of volatile molecules.
There is no biological switch that says: “Ignore everything except molecules originating from the wine.”
Your olfactory system receives an enormously complicated mixture of chemical signals. And the brain has to make sense of them.
Humans are surprisingly limited in their ability to identify individual components within complex odor mixtures. Research has demonstrated phenomena including odor masking, mixture suppression and olfactory adaptation. One odor can effectively overpower or obscure another, particularly when the competing odor is intense.
So perfume, cologne or another personal fragrance doesn’t have to chemically alter the wine to potentially change the experience.
It can interfere with your perception of the wine.
That distinction is important.
Fragrance Doesn’t Have to “Contaminate” the Wine
There is a common misconception that fragrance somehow gets into the wine and changes its chemistry.
Under ordinary circumstances, that’s not what we’re talking about.
A person’s perfume or cologne doesn’t magically transform the wine in the glass. The issue is sensory interference.
Imagine two orchestras playing simultaneously. One is your wine. The other is the fragrance surrounding you.
If the second orchestra is loud enough, it becomes more difficult to hear individual instruments in the first. The same basic concept applies to smell.
Wine contains hundreds of volatile compounds, although only a subset contribute significantly to its aroma. Some compounds can have extremely low sensory thresholds, meaning that tiny concentrations can make a perceptible contribution.
Now introduce another complex mixture of volatile compounds—personal fragrance. The sensory system has another problem to solve.
The Problem of Olfactory Masking
One of the most important concepts here is masking.
If two odors are present simultaneously, the perception of one can be reduced by the presence of the other. This is not merely theoretical.
Human olfactory research has demonstrated that components in odor mixtures can suppress one another, and that relatively intense odorants can make weaker components more difficult to detect.
That matters enormously in wine. A wine’s aroma is not necessarily dominated by the compound present in the greatest quantity.
Some aroma compounds have extraordinarily low detection thresholds. Consequently, compounds present at very small concentrations can have disproportionate sensory importance.
So when someone says “It’s only a little fragrance,” that may not be a particularly useful scientific measurement.
The more relevant questions are: How intense is it? How close is it to your nose? How long have you been exposed to it? What compounds are in it? And: How strong are the wine’s own aroma compounds?
Your Nose Also Gets Tired
Another phenomenon is called olfactory adaptation.
If you smell the same odor continuously, your perception of that odor generally decreases over time.
Walk into a room filled with a strong fragrance and you may notice it immediately. Stay there for twenty minutes and you may barely notice it.
Your nose hasn’t stopped functioning. Your sensory system has adapted.
Research has demonstrated that repeated or prolonged exposure to an odor can reduce olfactory sensitivity to that odor, with recovery occurring after the exposure ends.
This presents an interesting problem for wine tasting.
Suppose you arrive at a winery wearing a strong personal fragrance. At first, you notice it. Thirty minutes later, you may barely notice it.
But the people around you haven’t necessarily undergone the same adaptation.
More importantly, your sensory system has been spending time processing that odor environment before and during the tasting.
The result isn’t necessarily that you will be unable to smell the wine. Rather, the sensory landscape has changed.
Why Strong Personal Fragrance Can Be Especially Problematic
The problem isn’t whether a fragrance is marketed toward men or women. It is intensity.
A powerful fragrance can contain numerous aromatic compounds designed specifically to remain noticeable over time. That is an admirable quality in a fragrance. It is not necessarily an admirable quality in a wine-tasting room.
Wine professionals often spend considerable effort trying to identify subtle distinctions: citrus, stone fruit, red berries, black fruit, rose, violet, jasmine, herbs, minerals, earth, tobacco, cedar, baking spice, vanilla, toast, smoke, leather.
A fragrance competing with those aromas creates an unnecessary sensory obstacle.
And unlike someone talking loudly in a tasting room, the fragrance may be impossible to “turn down.”
The Surprisingly Important Role of Laundry Detergent
Perhaps the most overlooked fragrance problem has nothing to do with perfume or cologne. It is clothing.
Modern laundry products can be extraordinarily fragrant. Detergents, scent boosters, fabric softeners and dryer sheets can leave aromatic compounds embedded in clothing fibers for days or even weeks.
A person may therefore arrive at a winery believing they are wearing “no fragrance” while their shirt or jacket is releasing a noticeable scent.
This is particularly relevant in a tasting environment because clothing can remain close to the face and upper body throughout an extended tasting. Another odor source is occupying the same sensory space as the wine.
For serious wine evaluation, fragrance-free or minimally scented clothing is therefore a sensible precaution—even when no perfume, cologne or other personal fragrance has been applied.
What About Shampoo, Lotion and Hair Products?
The list can get surprisingly long. Consider the products many people apply before leaving home:
- Shampoo and conditioner
- Hair spray, oil, or styling cream
- Beard oil and aftershave
- Moisturizer, hand lotion, sunscreen
- Body wash and deodorant
- Perfume and cologne
None of these products is inherently “bad.” The problem is cumulative.
One mildly scented product may be inconsequential. Five or six scented products can create an aromatic cloud around the person. And the closer that cloud is to the wine glass, the greater the potential for interference.
So Should You Wear Fragrance to a Wine Tasting?
For ordinary social drinking, there is no need to turn a glass of wine into a laboratory experiment.
But for wine tasting, particularly when the purpose is to evaluate and compare wines, the most considerate approach is simple: go fragrance-free.
That means no perfume, no cologne, no strongly scented body products. Avoid heavily fragranced hair products. Consider unscented or lightly scented laundry products.
Don’t interpret this as a rule of etiquette designed to make wine tasting unnecessarily formal. There is a scientific rationale behind it.
Wine tasting depends heavily upon olfactory perception. Why deliberately introduce another powerful odor into the experiment?
The Winery Itself May Be Part of the Experiment
Now we reach an even more interesting question. What happens when the fragrance isn’t coming from the person tasting the wine? What happens when it comes from the winery grounds?
Imagine arriving at a beautiful vineyard. Rosemary grows along the walkway. Lavender borders the patio. Basil grows near the restaurant garden. Roses are blooming beside the tasting room. Nearby eucalyptus trees release their characteristic aroma into the warm afternoon air.
Perhaps the winery has just mowed the grass. Perhaps someone is grilling lunch. Perhaps wood smoke is drifting from an outdoor fireplace. The entire property is producing an aromatic environment.
Can that affect wine tasting? It certainly can affect the overall sensory experience.
But there is an important scientific qualification. There is considerably more research demonstrating that environmental context influences sensory perception than there is research specifically proving that a rosemary hedge changes the perceived aroma of a particular Cabernet Sauvignon.
That distinction matters.
The “Winescape” Is More Than a Pretty View
Wine is not tasted in a sensory vacuum. The setting matters.
Researchers studying wine tourism have found that the sensory experience of a wine destination contributes to how visitors experience and remember the place. Recent research on winery “experienscapes” similarly treats the physical and social environment as an important component of the winery experience.
Even controlled sensory research has demonstrated that changing the surrounding environment can change aspects of how wine is perceived. Research examining ambient lighting found that the surrounding color environment could influence judgments of wine flavor and value, even though the wine itself was unchanged.
Other research comparing traditional sensory booths with immersive wine-bar environments has likewise explored how context affects wine evaluation.
If lighting, surroundings and context can influence perception, it is reasonable to ask what happens when the environment itself is filled with aromatic plants.
Rosemary, Lavender, Basil, and Roses
Anyone who has brushed against a rosemary plant on a warm day knows that it can release a powerful herbal aroma.
Rosemary essential oil contains numerous odor-active compounds. Chemical and sensory research has identified compounds including 1,8-cineole, α-pinene, linalool and fenchol among important contributors to rosemary’s odor profile—herbal, pine-like, balsamic, eucalyptus-like, woody, camphoraceous.
Now imagine smelling a delicate white wine immediately afterward. A Sauvignon Blanc with herbal or citrus characteristics might interact perceptually with those environmental aromas.
That does not necessarily mean the rosemary is “ruining” the wine. It means the taster is experiencing a more complicated sensory environment.
Lavender is even more fascinating. Researchers studying lavender aroma mixtures have demonstrated additive, masking and synergistic perceptual effects among its components. One of the important compounds associated with lavender and many aromatic plants is linalool—also relevant to wine.
Monoterpenes—including linalool and related compounds—are important components of grape and wine aroma, particularly in aromatic varieties. A person might smell lavender in the air, then smell a wine containing linalool-derived or related aromatic compounds. The brain isn’t receiving two completely unrelated sensory worlds.
Could lavender actually make a wine seem more floral?
It is tempting to say “Lavender makes wine taste floral.” That would go beyond the evidence.
What we can say is that odor and taste interact, and that odor congruence can influence flavor perception. It is scientifically reasonable to propose that a floral environment could influence the way a taster interprets a wine’s aromatic character. That is different from saying that lavender objectively changes the chemical composition of the wine.
The wine remains the same wine. The perception of the wine may change.
Basil can be quite assertive. Human olfaction isn’t particularly good at decomposing complicated odor mixtures into every individual ingredient. A heavily aromatic herb garden may become part of the sensory context of the wine.
Roses may be the most aesthetically appropriate plant at a winery. They’re beautiful. They’re romantic. They’re historically associated with vineyards. But a strongly fragrant rose bush beside the tasting table is still an external odor source. A pleasant aroma isn’t necessarily a neutral aroma.
Pleasant Does Not Necessarily Mean Neutral
If a smell is unpleasant, we immediately recognize it as interference. But pleasant odors can influence perception too.
A beautiful garden filled with lavender, rosemary, roses and citrus blossoms may be more enjoyable and more memorable. But if the purpose is to determine the subtle aroma characteristics of a wine, a more neutral room may provide fewer competing olfactory signals.
This is one reason professional sensory laboratories strive for controlled environments. A winery visitor, however, isn’t necessarily participating in a laboratory experiment.
Two Different Kinds of Wine Tasting
1. Analytical tasting
The objective is to evaluate the wine itself. This is where minimizing environmental odors makes sense: neutral surroundings, clean glassware, controlled temperature, minimal personal fragrance, minimal food aromas, minimal environmental fragrance. The goal is to reduce variables.
2. Experiential tasting
The objective is to enjoy the entire experience. You may be sitting beneath an oak tree. There may be lavender nearby. A breeze may carry rosemary across the patio. Someone may be cooking. There may be music. The vineyard may be visible beyond the tasting table.
In this situation, those things aren’t necessarily “contamination.” They are part of the experience. And perhaps that is precisely what makes visiting a winery different from drinking the same bottle at home.
The Curious Case of “Terroir”
Wine lovers often use the word terroir to describe soil, climate, topography, water, grape variety, viticultural practices—and numerous other factors.
But what about the smell of the actual landscape?
If you are standing among vines, smelling dry earth, herbs, flowers and vegetation while drinking wine made from those grapes, are you experiencing terroir? Perhaps in a literal chemical sense, not necessarily. But in a sensory and experiential sense, absolutely.
The landscape becomes part of the human experience of the wine. That doesn’t mean the rosemary bush caused the wine to taste like rosemary. It means the rosemary may become part of the context in which your brain interprets the wine.
A Winery Could Be Designing an Olfactory Experience
Most wineries think carefully about architecture, landscaping, views, music, furniture, lighting, food and glassware. Why not think about olfactory architecture?
Instead of asking only “What plants look good here?” a winery might also ask: “What smells will be present when our guests taste the wine?”
That doesn’t necessarily mean removing every aromatic plant. A winery could potentially create different sensory zones:
- The analytical tasting room — Neutral air. Minimal fragrance. No scented candles. Designed for serious wine evaluation.
- The Mediterranean garden — Rosemary, lavender, olive trees and herbs. Designed around a wine-and-landscape experience.
- The culinary garden — Basil, thyme, sage. Paired with food and wines.
- The estate garden — Roses, citrus, flowers and native vegetation. Designed for leisurely wine tourism rather than technical evaluation.
These could become different experiences rather than competing ones.
The “Best” Wine Tasting Smell May Be No Smell at All
There is an irony here. Some of the most beautiful wineries in the world are filled with beautiful smells. That’s part of their charm.
But when the goal changes from enjoying wine to evaluating wine, neutrality becomes valuable. A trained taster wants the wine’s aroma to dominate.
That means the ideal tasting environment may be surprisingly boring from an olfactory perspective: no perfume, cologne, scented candles, powerful cleaning chemicals, air fresheners, overwhelming flowers, strong food aromas, or freshly sprayed landscaping products.
Just wine.
What Should You Do Before Going Wine Tasting?
For the ordinary winery visitor, there is no need to become obsessive. But if you want to give yourself—and the people around you—the best opportunity to experience the wine, a few simple rules make sense.
- Skip the perfume. Save it for dinner afterward.
- Skip the cologne. A subtle fragrance may seem harmless to the wearer because the wearer has adapted to it. The person sitting beside you may experience it very differently.
- Be careful with scented lotion — especially on your hands. Your hands are constantly near the glass.
- Consider your laundry products. If your clothes have a strong fragrance immediately after washing, you’re essentially wearing an aroma diffuser.
- Don’t overdo hair products. Hair is close to the nose and can retain fragrance for hours.
- Avoid strongly scented hand sanitizer immediately before tasting. Give your hands and the surrounding air time to clear if possible.
- Don’t worry about being completely odorless. The objective isn’t to become chemically invisible. The objective is to avoid adding a powerful artificial fragrance cloud.
And What About the Winery?
If you are a winery owner or tasting-room manager, consider the opposite side of the equation. Your visitors aren’t just bringing their own noses. Your property is bringing an aroma environment to them.
Aromatic plants aren’t necessarily bad. In fact, they can contribute beautifully to the identity of an estate. But their location matters.
A rosemary hedge 100 feet from the tasting patio is one thing. A giant rosemary planter directly beside the tasting table is another. Lavender planted along a distant walkway may create atmosphere. Lavender immediately beneath someone’s nose while they’re evaluating a delicate white wine is a different proposition.
The closer and more intense the aroma, the greater the possibility that it becomes part of the tasting experience.
The Wind Is an Invisible Variable
Outdoor tasting makes this even more complicated. A winery can carefully design its landscaping, but it cannot completely control the wind.
A breeze can carry aromas from gardens, kitchens, fireplaces, vineyards, compost, nearby farms, neighboring properties, freshly cut grass, vehicles, cleaning products.
The same patio can therefore smell completely different at 10 a.m. and 3 p.m. This may help explain why two people can visit the same winery on different days and describe the experience differently. They may literally have been breathing different air.
Temperature Matters Too
Temperature affects the release of volatile compounds from wine. Wine aroma isn’t static.
As temperature changes, the volatility and release of aroma compounds can change as well, while interactions between wine’s volatile and nonvolatile components influence what ultimately reaches the nose.
A warm afternoon can create a very different aromatic environment from a cool morning. The wine itself may release aromas differently. The surrounding plants may release more volatile compounds. And the taster may perceive both differently.
A winery isn’t simply pouring a liquid into a glass. It is placing that wine inside an entire sensory environment.
The Brain Is the Final “Blender”
Ultimately, the most important lesson may be this: your brain doesn’t experience wine as a collection of isolated chemical measurements. It constructs an experience.
Wine aroma reaches the olfactory system. Taste receptors contribute information. Texture and astringency provide additional signals. Temperature contributes another layer. Vision influences expectations. The environment provides context. Memory contributes associations. And all of those signals are integrated into the experience we call flavor.
That is why two people can drink exactly the same wine and describe it differently. And why the same person can drink the same wine in two completely different settings and have two very different experiences.
So, Should Wineries Ban Personal Fragrance?
Probably not. Wine tasting is not an operating room. People are visiting wineries to enjoy themselves.
But there is a strong argument for fragrance etiquette. A winery could simply tell guests:
For the best wine-tasting experience, we kindly recommend avoiding strong perfume, cologne and other fragrances.
That’s enough. It doesn’t shame anyone. It simply acknowledges the science: wine is an aromatic experience, and everyone in the room shares the same air.
A Simple Rule for Wine Lovers
Here’s perhaps the easiest way to remember all of this:
If you can smell yourself more strongly than you can smell the wine, you’re wearing too much fragrance.
And if someone sitting beside you can smell your perfume before they can smell their Cabernet Sauvignon? You may have inadvertently become part of their tasting notes.
“Hints of blackberry, cedar, vanilla—and someone’s eau de parfum.”
Funny as that sounds, the underlying science is quite serious.
Wine aroma depends on volatile molecules reaching the olfactory system. Those molecules are perceived through both the front of the nose and the retronasal pathway during drinking. Other environmental odors can compete for the same perceptual system, while adaptation and masking can alter what we notice.
The Bottle May Taste Different at Home
You may taste a wine at the estate, fall in love with it and decide to bring a bottle—or two—home. That is often one of the great pleasures of visiting a winery.
But try not to be surprised if the wine does not taste exactly the same when you open it at home.
The wine itself may not have changed in any dramatic way, but the sensory environment certainly has. At the winery, you may have been surrounded by vines, warm sunlight, lavender, rosemary, fresh air, conversation, music, food and the excitement of discovering something new. You may also have tasted the wine immediately after other wines, which can influence comparison and expectation.
At home, the setting may be quieter and more familiar. The temperature may be different. The glassware may be different. The wine may have traveled, rested or simply been opened on another day when your mood, palate and expectations are not the same.
The bottle you bring home is still the same wine, but the experience around it has changed. That doesn’t mean the purchase was a mistake. In fact, bringing a bottle home is still very much worth it.
It gives you the opportunity to revisit the wine in a different setting, share it with friends or family, pair it with a meal and discover another side of its character. Sometimes the wine tastes less magical at home; sometimes it tastes even better.
The winery experience is one version of the wine. Home is another. Both can be meaningful.
The Final Pour
Wine tasting is often described as a journey through the senses. We look at the wine. We smell it. We taste it. We feel its texture. We notice its finish. We consider where it came from.
But perhaps we should add one more question: What else am I smelling?
Before applying perfume before a winery visit, consider leaving it behind. Before washing your favorite tasting-day outfit in heavily scented detergent, consider using something more neutral. Before blaming a wine for seeming strangely floral, herbal or perfumed, consider whether there is lavender, rosemary, roses or another aromatic plant nearby.
And before a winery plants an intensely fragrant garden directly beside its tasting tables, consider what the garden will contribute to the air.
None of this means that rosemary is bad for wine. Lavender isn’t bad. Perfume isn’t bad. Cologne isn’t bad. A beautiful garden isn’t bad. And a bottle that tastes different at home isn’t necessarily a disappointing bottle.
The point is much more subtle. Wine and fragrance are both competing for the same extraordinary human sensory system.
When we want to appreciate wine as precisely as possible, it makes sense to let the wine speak for itself. When we want to enjoy a winery as a place—a landscape, a garden, a meal, a glass of wine and a memory—the surrounding aromas may become part of the story. And when we bring a bottle home, we should give it the freedom to tell a slightly different story in a new setting.
A bottle of wine contains a remarkable collection of aromas. But the moment the cork is pulled and the glass is poured, the world around the wine becomes part of the experience, too.
And sometimes the most important ingredient in a wine tasting isn’t in the glass at all. It’s in the air.