About 3% of the population is anosmic, meaning that they cannot perceive scents. An additional 10% have some kind of smell or taste disorder. Sadly, scent perception thins out with age due to many causes*; about 23% of people over the age of 40 report some degree of impairment, with nearly 40% of people over the age of 80 reporting either absent or severely reduced capacity to perceive smells.

If you can experience scents in a normal way, count yourself lucky, for you have access to a qualia variety with an incredible aesthetic potential. If not, I’m sorry; let’s hope that stem cell therapy used to restore smell in mice can be generalized to humans. Regardless, hopefully the following thoughts on the artistic potential of scents won’t fall on deaf ears (or should we say, anosmic noses?).

Imagine that all humans were congenitally anosmic. Akin to David Pearce’s allegory of the blind rationalists, let’s picture a world in which the only way to experience scent qualia was through the use of some arcane technology, like weird drugs, occult magic, or carefully aimed transcranial ultrasound stimulation. Since the qualia would not be triggered by a conventional sense, people would not be under the illusion that it maps to external objects. It would be understood as a strictly internal phenomenon, like imagination or sense of humor. With such an interpretive blank slate, how would people make sense of scent qualia?

Keep that thought in your mind. Having a fresh look (or sniff) at scent qualia- devoid of its common associations and cultural imports- can give us a way to think in new ways about the artistic potential of this aspect of experience.

Perfumery as an Art Form

Last year we presented QRI‘s take on art: Harmonic Society is an essay published in a Berlin-based art magazine that exposes 8 models for what art can be about (see parts 2, 3, 4; video presentation). These models can also be used as generators of creative applications of qualia varieties. Here we’ll discuss how perfumes could be seen through the lens of each of these models.

1. Semantic Deflation

The semantic deflation model of art claims that the first step you need to take to understand art is to recognize that it lacks an essence. There are no strict necessary and sufficient conditions that something needs to meet in order to be art. The meaning of the term is ultimately conventional: it has more of a family resemblance pattern of usage than a precise logic-bound set of criteria. Applying this model to perfumery, we would have that:

1. There is no such thing as a “perfume” in and of itself.
2. There are no necessary and sufficient conditions for something to be called a perfume.
3. The resulting aesthetic from this model is one that sees the art of perfumery as the eternal search for trying to push the boundary for what a “perfume can be”.

Some examples of this aesthetic seemingly playing out in the open include perfumes that smell like: popcorn, lobster, linen and Air Aroma‘s new fragrance that recreates “the scent of an Apple product being opened for the first time.”

Linen

Popcorn

Lobster

Blue Cheese

Toast Perfume

Old Books Perfume

2. Weapons of Sexual Conquest

Weapons of sexual conquest refers to the use of instruments to signal genetic fitness in one form or another: conspicuous consumption/taste-signaling, and aphrodisiac response.

Conspicuous Consumption

You see, smells are at times used in a slightly evil way. In the case of commercial perfumes, part of the optimization function includes generating envy in others. Conspicuous consumption and brand worship are some of the ways in which our mating mind has recruited scents. In a sense, I would love to explore ways in which scent-based art can deliver high-valence results without at the same time reinforcing consumerism and zero-sum fashion arms races. In brief:

1. There is unfortunately an in-built zero-sum mindset to status-focused scent design.
2. The “game” is easy to rationalize when you are a “winner”, but it is depressive for people who perceive themselves as the “losers”.
3. One of the core weapons of this game is the creation of envy with perceived exclusivity and inflated sense of quality (e.g massively overpriced fragrances).
4. “Cool Kids” are people who translate new ideas into massively consumable products.
5. Cool Kids in perfumery will always want to claim that they have the exclusive “secret sauce” to explain the price.
6. The existence of such “secret sauce” is often justified based on appeals to tradition, taste, status, experience, brand, and/or science.
7. Cool Kids make sure that the product is “novel enough” – not too out there that only weird people would love it, but also not too bland and unoriginal that the general public will be bored by it.

Expensive perfumes have to be at least somewhat distinctive – even if that makes them suboptimal. You’ll see that Fragrantica is full of reviews that complain that such and such perfume is in fact “too generic”. The reason is that if you are paying large sums of money for a smell, the only way it will pay off in terms of social signaling is if people can in fact notice what you are wearing.

Some examples of relatively expensive fragrances of ultra-mass appeal that are exactly in the right Cool Kid window for novelty and distinctiveness include Sauvage by Dior, Boss by Hugo Boss, Mr. Burberry Indigo by Burberry, The One by Dolce & Gabbana, and Bleu de Chanel:

A particularly noteworthy example of this dynamic might be the case of Aventus Creed. It is by no means a weird fragrance (it’s certainly not a “toast” or “popcorn” perfume), but people who are very into perfumes do agree that when it first came out “it smelled like nothing that had ever existed before.” If you read the Fragrantica reviews you’ll see what I’m talking about. It also happens to be an insanely expensive fragrance for no apparent reason. It’s therefore a great tool for conspicuous consumption, masterfully crafted by a Cool Kid aiming for mass appeal.

Aventus Creed

Aventus Creed clones

I personally own an “Aventus Creed clone“, meaning that it is a perfume that smells very similar to the original but can cost a fraction of the price. Aventus costs $400 while the one I own is under $20. I like it, but if it is anything like the original, I can’t imagine it being that good to justify the price tag on its qualia merits alone. In terms of phenomenology, as far as I can tell, Aventus innovated by mixing pineapple scent with the scent of birch bark. This does make it characteristic, true, but is it really $400 worth of characteristic? No, I’m pretty sure it isn’t. So this one might be a clear case of a mating mind perfume over-rating in action (P.S. I’m on the lookout for more perfumes with inflated scores that have cheap clones in order to study this phenomenon more closely).

Aphrodisiac Response

Taken to the extreme, attempts at creating maximally erotic scents draw inspiration from literal human sexual organs. Secretions Magnifiques by Etas Libre d’Orange, for example, recreates the smell of semen with seaweed, milk, iris, coconut, opoponax, and sandalwood. It has a score of 1.88 out of 5 based on 890 votes, perhaps because it smells kind of bad. It sports reviews like:

“Smell of sweat, sewage and semen. Each sniff is an offense and an ordeal, a probation of resistance. Impossible to do a complete test – full wear, I only got 3 sprays on my wrist and 5 min. after doing this review I rubbed my wrist with soap like there was no tomorrow.” – marcel2782, at Fragrantica.com

Scent of semen

“Patented blend of human pheromones including Androstadienone, Androstenol, Androstenone and Androsterone”

Sent of vagina

Scent of sex

Needless to say, playing out the erotic in scent form is a delicate matter that requires a fine balance between numerous forces. For example, the smell of Classic Blue by David Beckham can smell a bit like a male crotch, but it also smells like pineapple, grapefruit, and clary sage. This allows for plausible deniability and erotic versatility. Even if you are attracted to men, as long as you are not sexually aroused you will probably just notice its fruity notes. But if you are in the heat of passion, it will probably smell very sexy. The same with numerous women’s perfumes, such as Eros by Versace and Guilty by Gucci.

A final thought on the aphrodisiac power of fragrances: you may notice that the vast majority of fragrances that are advertised with campaigns with erotic undertones are primarily geared towards a heterosexual audience. With rare exceptions, even perfume ads that are suggestively homoerotic still seem to work around a heterosexual premise.

I suspect that indeed there are statistical-level differences in what turns people on, not only between genders, but between the shades of sexual orientation. After all, some academic theories of sexual orientation do suggest that pheromone-based arousal differences contribute to which gender a person is attracted to. I posit that from a scientific point of view, if the matter were to be studied rigorously, we would indeed find differences at a statistical aggregate level on what fragrances turn people on depending on their gender and sexual orientation. Although this remains a contentious topic, I think that it is a shame that it has not been explored in any rigorous way. Aphrodisiac scents can be life-enriching; gay people might be underserved in the eroticism-of-aroma department. Pragmatically, it would be good for gay people to know which fragrance will load the dice in their favor when going out clubbing. A concrete example is that if indeed gay men do not like the scent of straight men (and instead prefer the scent of other gay men) then it may not be a good idea to wear typical male pheromone perfumes for a night out. Take note: at least according to a Fragrantica forum entry from someone in Indonesia, the main “gay fragrances” there are:  Thierry Mugler by A*Men, Le Male by Jean Paul Gaultier, Power by Kenzo, 1 Million by Paco Rabanne, and Magnetism by Escada.

3. Creation of New Social Contexts

The core idea of this model is that art can be understood as a tool to create new social contexts. Beyond the sex appeal of expensive perfumes due to their status implications, perfumes can also be used to invent new interpersonal gestalts. As Kevin Simler argues in Ads Don’t Work That Way, advertisement modifies the landscape of cultural meaning, which in part is responsible for the ways products allow you to communicate information about yourself to others.

For example: Nautica Voyage is, of course, as much selling you the felt-sense of a social context as it is selling you scent qualia. Care to join the crew on a trip across the Atlantic, make our own rules, and live a journey of camaraderie and bonding? Each sniff of Voyage takes you on a trip with imaginary friends. Alas, as an Amazon top-seller it fails to appeal to Hipster sensibilities. What do I mean by “Hipster” here?

Unlike Cool Kids, Hipsters tend to obsess over a highly-specific aspect they deeply care about. Nerds are to Geeks what Hipsters are to Cool Kids. Meaning, much akin to how a Nerd is driven by a burning curiosity about the world while a Geek is usually concerned about the social applications of niche knowledge, Hipster aesthetic exploration is done out of a fundamental desire to know the limits of an art form while Cool Kids are thinking more about how to use art to raise their own status. Thus, while not widely consumable by a mainstream audience, Hipster aesthetics lend themselves to fundamental artistic innovation. In brief:

1. Hipsters are people who like to explore particular niches, who carve out regions and tiny sectors of the market without compromising their own taste.
2. They rebel against the commercial and mainstream construction of meaning and instead use their creativity to create parallel social worlds.
3. Artistic explorations can indeed be used for this “social context” creation.
4. By finding smells that are characteristic, but rare and hard to place, one can create context-specific memories for events to be later triggered at will.

Questioning the mainstream construction of meaning is at the core of the Hipster aesthetic (cf. Adbusters). Here are some examples of Hipster art to put you in the right mindset (source):

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So what would be some hipster fragrances that attempt to sidestep or subvert the mainstream construction of meaning? I highly recommend visiting a niche perfumes boutique to get an idea of the combinatorial explosion of counter-cultural branding that is possible. In places like that, “local” perfumers have pride of place. There is also a premium based on the conceptual loading, narrative prowess, and historicity of each product. The value of the fragrance is in no small part derived from its ability to help you reinvent yourself outside of the confines of mainstream narratives.

More so, the construction of meaning can be turned into a science. You can even do it deliberately without anyone’s assistance. For a special occasion you want to remember in a personal and characteristic way, I advise you to pick two or three essential oils (e.g. violet, peony, and guava) and mix them for the first time that very day. Example: this past New Year’s Eve I wore a combination of pear and violet, which has now become a sensory symbol of the occasion for me.

All of these can be useful tools to help you undo the psychological hacking that big-brand fashion houses and mass media have inflicted upon you. The ability to create new Schelling points and social contexts brings with it the power to transform zero-sum games into positive-sum games. This is quite refreshing, indeed, as we can see in transformational festivals and conscious culture which are at the forefront of these cultural developments.

Alas, if you live long enough in a place like San Francisco or Portland you eventually come to realize that the negative feelings one associates with mainstream status hierarchies are not the result of consumerism per se. They are deeply rooted in our genetic source code, and the only true way out is to subvert the hedonic treadmill. So no amount of anti-consumerism rhetoric is actually likely to make a dent in the world’s vast swamps of suffering. But that’s a story for another time.

4. Attempts at the Sacred

There is no universal consensus on what constitutes a sacred experience. But we should not be quick to dismiss their significance. It only takes reading William Jame’s The Varieties of Religious Experience (or Erowid‘s Experience Vault) to recognize both the incredible diversity and personal significance of sacred revelations. Scents, of course, have a long history of synergistic use in ritual conceptions of the sacred. They can indeed be used:

1. In rituals such as baptisms, weddings, funerals, etc.
2. As aids for meditation
3. For prayer
4. As grounding agents for psychedelic experiences
5. To recall the quality of previously experienced mystical states

Temple de la Littérature, Hanoï, Vietnam

Of course we can also think of things that are associated with sacred experiences as powerful reminders of the divine. For example, I can guarantee you that people who have vaporized N,N-DMT or 5-MeO-DMT and have had profound experiences will certainly remember the scent of these agents and it will remind them- if only for a moment- of the ‘mystical’ headspace the agents disclosed.

5. Exploring the State-Space of Consciousness (aka. Rainbow God – ϡ☀♘🏳️‍🌈♬♠ヅ)

This aesthetic is based on the premise that there is intrinsic value in knowing qualia. The Rainbow God is a personification of the desire to know first hand the entire state-space of consciousness. In this way, we are not constrained by the social forces that usually shape where we invest our exploratory energy. In brief, this aesthetic values:

1. Explicitly merging the best models for the state-space of scent qualia and perfumery.
2. Love of knowledge above and beyond merely seeking a social effect.
3. Qualia-focused descriptions such as what will be presented in this section.

When you are in the Rainbow God state of mind, you get excited by the idea of having a large collection of all possible scented molecules. The Rainbow God even covets dangerous smells, such as those of powerful toxins like dimethylcadmium. Apparently dimethylcadmium indeed has a uniquely characteristic scent, though the price of knowing it first hand is a serious toll on your health. Perhaps Rainbow God would put all of the dangerous smells in a sealed box to be opened -along with a Brompton Cocktail– when one is enduring the late stages of a terminal illness. Upon the prospect of an imminent death, I too would love to know what dimethylcadmium smells like.

This aesthetic does manifest in mainstream explorations, albeit it is rarely the main concept driving the design decisions. Subtle examples here might include Noble Fig by Ferrari which glorifies the unusual qualia variety disclosed by fig leaves and 23 by Michael Jordan which plays with a cute and unusual watermelon scent. That said, it is interesting to explore the possibility of explicitly developing this aesthetic in perfumery. What would that look like?

If I were to develop a brand of perfume under the Rainbow God mindset, I might call it “The State-Space of Scents” and really play this concept out to its conclusion with both creative satisfaction and scientific precision. It would have three core lines:

Line 1 – State-Space Master Palette: 8 fragrances that span the largest possible region of the state-space of scents such that linear combinations of them give you a huge number of possible scents, and mixing them all in equal proportions gets you “Laurax”, i.e. white noise scent.

Line 2 –  Special Effects: 16 of the most ultra-X scents possible (the most ultra-bitter scent possible, the most ultra-vanilla scent possible, the most ultra-powdery scent possible, etc.). Basically this encompasses every category-neutral “special effect”, which would be factorized and exalted into its maximum possible expression.

Line 3 – Entropy Gradient: 8 chemical concoctions that have as wide of a range of phenomenal entropies as possible. Again this plays out with, at the one extreme, featuring super simple scents triggered by one or just a couple of molecules, while at the other extreme, featuring scents that approach the Laurax entropic asymptote.

My appreciation is that this has enormous potential. In its full expression, the Rainbow God aesthetic applied to perfumes encompasses both the state-space of scents and their effects in other experiential modalities. If a scent puts you in a certain mood, that’s important to highlight. What is the range of possible moods? That, too, concerns the Rainbow God (of course the perfume industry alludes to this kind of exploration, with e.g. D&G 21 Le Fou described as “a fragrance designed for careless and spontaneous individuals, so called ‘jesters'”, though again, an explicit exploration would be infinitely better).

As a teaser to future works, I can briefly describe how I have been thinking about the state-space of scents.

While current descriptions of perfumes mention: (1) olfactive family, (2) the categorical contributions, and (3) detectable notes, we would instead have a much more fine-grained and informative description. Namely:

1. The global entropy (e.g. 40% of the way to white noise scent).
2. The within-category entropy (e.g. 70% of the way into ‘generic flowery’).
3. The individual notes that can be detected within each category (e.g. non-generic jasmine note being 30% of the flowery category).
4. Lines connecting notes that have non-linear interactions (e.g. pear & violet, rose & orange, pomegranate & honeydew make unique blends that have phenomenal properties unlike those of the individual ingredients).
5. Lines connecting notes that form separate “phases” across categories (e.g. with a mixture of mango, sandalwood, rose, lemon, and cinnamon, you get three phases rather than a global consistent smell – mango + cinnamon, and lemon + sandalwood, with rose staying its own distinct scent).
6. Lines connecting “valence inversion” effects (some notes simply don’t seem to go together even though they are pleasant individually).
7. Special effects (e.g. “powdery”, “ethereal”, “acrid”, “creamy”, etc.).

We will go into much more detail about this in a future article specifically about the state-space of scents. And I don’t mean just breaking down a scent in terms of its chemical profile: Octyl butyrate, isoamyl propionate, and aldehyde C9, etc. I’m talking about a radical re-frame for what scents even are and the space in which they live. Stay tuned!

6. Energy Parameter Modulation

Scents have effects on one’s energy level. Lavender has clinically significant relaxing effects while lemon oil can be energizing. But these direct effects are only one of several ways scents can modulate the “energy parameter” of your experience. Namely, as we covered in the original article, in order to modulate energy levels upwards one can either impair energy sinks or enhance energy sources. Since labeling and recognizing sensory inputs (top-down interpretations) play the role of energy sinks, it stands to reason that playing with abstract, complex and unrecognizable scents would have the effect of increasing one’s global energy parameter. This, I think, is true. Based on experience, easily recognizable scents can certainly be engrossing, but complex scents with no real-world referents seem much more effective for energizing one’s mind and altering one’s consciousness (cf. the neuroscience of meditation).

I suspect that rigorous scientific research on the way scent entropy interfaces with energy modulation will be very fruitful and have many applications. In brief:

1. Relaxing scents can be obtained either with inherently narcotic qualia (e.g. lavender) or via boring, mundane, easily-recognizable sources (e.g. paper).
2. Exciting scents can be obtained with inherently exciting qualia (e.g. lemon) but also by using the appropriate amount of novelty, abstractness, and complexity to disable energy sinks.

Energy by Qualia Research (EDT)

Finally, it is my impression that scents can interface, not only with raw energy levels, but also their moments. Meaning, some scents are perhaps suited for a high first or second derivative in the energy parameter of experience. It’s as if the feeling of being “accelerated” into a high-energy regime is part and parcel of many scents. Personally, I experience bitter smells such as grapefruit, bergamot, and geranium to be arresting in that they drive one’s attention to a stop. Sweet spicy scents like vanilla and chocolate, on the other hand, seem to modulate energy rather than increase it or decrease it specifically (think “the Prozac of scents”). Alas, the state of this phenomenological research is still too early to give it any credence. I would love to hear the thoughts of others who also feel they can pin-point the first, second, and even third derivatives of the energy parameter modulation effects of scents.

7. Puzzling Valence Effects

This conception of art focuses on the way exotic sensory stimuli can lead to puzzling feelings of wellbeing. I say puzzling because they defy common-sense. It certainly makes sense that watching porn or eating food rich in salt, fat, and sugar would feel good. That’s perfectly accounted for by working within an evolutionary framework. But why would Picasso, Bach, and Socrates make some people feel good? Or in a more extreme set of examples: Dadaism, Merzbow, and Nietzsche? Puzzling valence effects refers to these phenomenal oddities; the fact that stimuli never encountered in our evolutionary past can nonetheless lead to deeply rewarding sensations. The neuroscientific frameworks used to explain these curious effects were discussed in depth in the original article so I won’t repeat them here. But I will briefly cover some of the ways scents can indeed have both expectedly and unexpectedly pleasant actions. Namely, scents can feel good for any of the following reasons:

1. Associations: Scents can be pleasant by reminding you of contexts, times, experiences, and people you have previously enjoyed.
2. Food: Scents that evoke high-calorie foods such as sweet, fried, salted, etc. come with an intrinsic positive valence for most people (and nonhuman animals!).
3. Safety: The smell of diseased bodies are repugnant while the scent of fresh cotton and a cozy fireplace can bring a pleasant sense of safety.
4. Eroticism: Scents that spark sexual feelings (already covered this in model 2) are certainly a highlight for the hedonic effects of the sense of smell.
5. Relative status: Scents that feel expensive, rare, or can be used to demonstrate one’s fitness would naturally feel good (already covered in 2 & 3).
6. Self-actualization: The very concept of a “signature scent” points at this category of pleasant sensations.
7. In terms of Puzzling Valence Effects:
   1. Intrinsic “patternceutical” valence:
      1. Some scents have particular phenomenal frequencies; in most cases the phenomenal spectral analysis is very complex.
      2. Speculatively: Could it be that the valence of a scent can be anticipated from its consonance-dissonance-noise signature (CDNS)? This is a promising and fascinating area of research with no prior art at all.
8. Neural annealing:
   1. In principle one could use scents that modulate the brain’s energy parameter (see model 6) to heat it above its neural recrystallization temperature.
   2. This might lead to the same kinds of effects one sees on meditation, on psychedelics, and with art. Namely, a three-step process of:
      1. Entropic disintegration
      2. Neural search
      3. Annealing
   3. If properly understood, scents that modulate the energy parameter of the brain could be used synergistically with other inputs such as sound, light, and vibration to drive neural annealing for therapeutic benefits (this is an active area of research at QRI).

To say a few words about the scents that make you feel safe: fragrances designed to make you feel unsafe are unlikely to ever be top sellers. It might not be financially sound to launch a perfume (let’s call it “Trench Warfare”) recreating the smell of WWI trenches: “gunpowder, wet rocks, and decaying flesh notes” with flanker fragrances like “Mustard Attack” centered around notes of burned almond and blisters, and “Shell Shock” which emphasizes ashy notes sprinkled with oxidizing iron and overcooked steak. Indeed, safety markers might always be subtly present in fragrances of mass appeal. Rose Of No Man’s Land, a perfume actually inspired by the courage of the nurses who attended to the wounded in no man’s land during WWI, may seem like a counter-example. But it really proves the rule. The scent itself is very pleasant and reassuring, and conceptually it also evokes a relative sense of safety, namely, the feeling of being rescued. In other words, while the context it imports feels unsafe, it is specifically pointing at a part of the situation that emphasizes safety. The setting is used as contrast, it is the ground for the sense of safety which remains the figure (in the figure/ground sense of these terms).

I think that framed in the right way, scent qualia can give us a powerful glimpse of the possible fruits of consciousness research. Indeed, as part of a “QRI starter kit”, interns and visiting scholars get (among other things) a small collection of carefully chosen lesser-known essential oils to symbolize the “gems that are yet to be discovered by investigating consciousness in a systematic way”. (I’m actively looking for a suitable substitute for anosmic people, who almost certainly will be encountered at some point.)

Endless Euphoria – Calvin Klein

Interestingly, the perfume industry could very well be appealing to the agreeable hedonic sensibilities that people are otherwise too prudish to express. The hidden nature of perfumes- their plausible deniability, their elusive character, and their subjective quality- allows people to engage in hedonic fantasy to a greater extent than they would generally openly admit to doing.

Case in point: judging from their marketing materials, it seems that Calvin Klein has already found the key to unending happiness in a bottle. Save yourself the trouble of working towards the Hedonistic Imperative, for endless euphoria has arrived. I should add that their marketing campaign of #EuphoriaForMoms struck a chord with me: “moms, too, deserve euphoria” say both the Hedonistic Imperative and Calvin Klein in unison. According to online reviewers, the ingredients of endless euphoria are:

Take note – these are the ingredients of endless euphoria!

If only I had known! It must be the violet.

This is not, of course, an isolated incident. Indeed, the names of tons of perfumes are often remarkably evocative of the Hedonistic Imperative:

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That said, I think that systematizing the study of the hedonic response to scents has yet to be done. I’ll be talking a lot more about this in future articles. For the time being I’ll just tease you with the observation that based on personal experiments there seem to be cross-modal resonance effects between scent and auditory stimuli. The fact that loud broad-spectrum sounds, like the noise of an airplane cabin, modify the sense of taste is known in the literature. Based on my experience, music and special sounds can also subtly modify, and in some cases enhance, the quality of certain scents. Stay tuned.

8. Harmonic Society

Finally, we come to the the grand vision of model 8: Harmonic Society. This aesthetic model posits that it is both possible and desirable to synthesize science, philosophy, and art. The end result does not have to be- as many might expect- the disenchantment of aesthetics. Even with the simplistic take that “bliss is just chemicals in the brain” (which isn’t quite true anyway), we must remember that reduction cuts both ways. Perhaps you can instead see it as “chemicals in the brain are bliss qualia”! The feelings of divinity and profound interconnectedness one can experience on LSD, for instance, do not diminish in significance merely because they can be reduced to neurological phenomena; rather, this exalts what neurological phenomena is in the first place!

A profound understanding of qualia-space can enable us to create a prosocial world of experience in which the transition between every state of consciousness to every other is harmonious and beneficial.

Applied to the art of scent qualia, the principles of Harmonic Society would point us in the direction of deeply investigating the state-space of scents in order to find clusters of fragrances (or scent qualia, more specifically) that have smooth transitions between them.

(Source)

* Causes of anosmia – lots of things could harm your precious capacity to experience scent qualia:

(Source)

(Featured image: source)