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Understanding Fragrance
ATYPIQUE PARFUM™ - Maison de parfum indépendante canadienne
Understanding Fragrance Concentrations
Eau Fraîche
Eau Fraîche is the lightest concentration in Western perfumery.
Exceptionally fresh and refreshing, it contains a small amount of fragrance concentrate, typically diluted in a high proportion of water and alcohol. It emphasizes the brightest and most volatile notes, delivering an immediate sensation of freshness.
It is an excellent choice after a shower, during hot weather, or for those who prefer a very subtle fragrance.
Concentration: 1–3%
Average longevity: 1–2 hours
Best suited for
An instant feeling of freshness
Warm climates
Those who prefer delicate fragrances
Eau de Cologne
Created in the 18th century, Eau de Cologne is traditionally built around citrus fruits, aromatic herbs, and fresh notes.
Bright, invigorating, and effortless to wear, it provides a clean, refreshing sensation without aiming to last all day.
Concentration: 2–5%
Average longevity: 2–3 hours
Best suited for
Summer days
A refreshing boost
Reapplying throughout the day
Eau de Toilette (EDT)
Eau de Toilette offers an excellent balance between freshness and presence.
Its top notes are especially bright and expressive, while the heart notes gradually emerge as the fragrance develops.
For decades, it has remained one of the most popular choices for everyday wear.
Concentration: 5–15%
Average longevity: 3–5 hours
Eau de Parfum (EDP)
Eau de Parfum is now the most popular fragrance concentration.
With a higher percentage of fragrance concentrate, it reveals more of the heart and base notes, creating greater depth and improved longevity.
It is often considered the ideal balance between intensity, elegance, and comfort.
Concentration: 15–20%
Average longevity: 6–8 hours
Extrait de Parfum
Extrait de Parfum is the most concentrated form of perfume.
Its richness in aromatic materials allows the fragrance to unfold more slowly while revealing exceptional depth and complexity.
Contrary to popular belief, an Extrait is not necessarily stronger than an Eau de Parfum. It is often softer, more intimate, and sits closer to the skin.
Rather than filling a room, its purpose is to offer a refined olfactory experience that evolves gracefully over many hours.
Concentration: 20–40%
Average longevity: 8–12 hours or longer
Attar
Long before modern alcohol-based perfumes existed, civilizations throughout the Middle East and India were already creating fragrant oils known as Attars.
Traditional Attars are primarily crafted through the hydro-distillation of flowers, woods, spices, and other aromatic materials. Their fragrant molecules are then captured in a carrier oil, traditionally sandalwood oil, which slowly absorbs and preserves their aromatic richness. Unlike most Western perfumes, they typically contain no alcohol.
Their evolution is slow, deep, and intimately connected to the warmth of the skin.
Each Attar develops its own unique personality as the hours pass.
Concentration: 100% perfume oils
Average longevity: 12–24 hours, sometimes even longer
Characteristics of Attars:
Alcohol-free
Exceptional longevity
Close-to-the-skin diffusion
Slow, graceful evolution on the skin
Only a few drops are needed
Attars are among the oldest forms of perfumery still practiced today and continue to inspire contemporary perfumers around the world.
Good to Know...
Today, the term Attar is often used more broadly than in the past.
Some contemporary Attars are crafted according to traditional methods, using naturally distilled or infused aromatic materials in a carrier oil. Others are created with modern fragrance compositions that may include synthetic aroma molecules.
Both approaches can produce exceptional perfumes, but they do not necessarily reflect the historical tradition of Attar making.
As a result, the term Attar may refer either to a perfume crafted according to centuries-old traditions or to an oil-based fragrance inspired by that heritage.
When exploring the world of perfumery, you'll quickly come across terms such as Eau Fraîche, Eau de Cologne, Eau de Toilette, Eau de Parfum, and Extrait de Parfum. Many people assume these names simply indicate whether a fragrance is stronger or weaker.
In reality, they primarily refer to the percentage of fragrance concentrate used in the composition.
As a general rule, the higher the concentration, the greater the amount of aromatic materials in the fragrance. However, concentration alone does not determine a perfume's quality, longevity, or even its intensity.
The quality of the raw materials, the structure of the formula, the carrier used (alcohol or oil), and the perfumer's expertise all play equally important roles in shaping the olfactory experience.
In other words... concentration is only part of the story.
What Concentration Really Changes
It's easy to assume that a higher concentration simply makes a fragrance stronger.
In reality, it primarily changes the way the fragrance tells its story.
Imagine the same formula.
At a lower concentration, the fresh citrus notes will dominate.
At a medium concentration, the heart notes will become more expressive.
At a very high concentration, woods, resins, balsams, and musks will gradually take center stage.
The fragrance does not simply become more concentrated... It reveals another facet of its personality.
Two fragrances containing exactly 20% fragrance concentrate can have completely different longevity.
Why?
Because not all raw materials evaporate at the same rate.
Citrus ingredients are naturally very volatile.
By contrast, certain woods, resins, musks, and base molecules can remain perceptible for many hours.
Concentration certainly influences longevity... but it never determines it on its own.
A Common Misconception...
Greater concentration does not necessarily mean a better or more powerful fragrance.
A citrus-rich Eau de Toilette may seem incredibly vibrant during the first few minutes.
An Extrait de Parfum, on the other hand, may appear more discreet at first while remaining noticeable for much longer.
Projection and longevity are two very different things.
The Role of the Carrier: Alcohol vs. Oil
The carrier used in a fragrance has a profound impact on how it behaves.
Alcohol-based perfumes release their top notes quickly and generally create a broader scent trail.
Oil-based perfumes evolve differently.
Oil naturally slows the evaporation of aromatic materials, allowing the fragrance to remain closer to the skin while developing more gradually over time.
Rather than filling a room, an oil-based perfume invites discovery through closeness, movement, and time.
Neither approach is inherently superior...
They simply offer two different ways of experiencing fragrance.
Why Don't All Eau de Parfums Have the Same Concentration?
The concentration ranges commonly found in fragrance guides are simply general references.
There is no international standard requiring an Eau de Parfum to contain exactly 18% fragrance concentrate.
Each perfume house determines its own concentration based on:
The raw materials being used
The personality of the fragrance
The desired olfactory performance
The perfumer's creative vision
As a result, two Eau de Parfums may carry the same name while containing slightly different concentrations.
Some fragrance houses also choose to offer the same creation in different concentrations, such as Eau de Toilette, Eau de Parfum, or Extrait de Parfum. However, these are not always simply stronger versions of the same fragrance. The formula itself may be subtly reworked to highlight different facets of the composition and allow certain ingredients to express themselves differently at each concentration.
An Important Note
The percentage of fragrance concentrate is not an absolute measure of quality.
A perfume containing 15% fragrance concentrate but crafted from exceptional raw materials can deliver a far richer and more elegant experience than one containing 30% made with lower-quality ingredients.
The true hallmarks of a great perfume remain the quality of its ingredients, the balance of its composition, the craftsmanship behind the formula, and the vision of its perfumer.
Longevity and Sillage: Two Different Concepts
A fragrance can remain perceptible on the skin for twelve hours while projecting very discreetly.
Conversely, some fragrances project strongly during the first hour, yet fade relatively quickly afterward.
Longevity... refers to how long a fragrance remains perceptible on the skin.
Sillage... refers to the scented trail a fragrance leaves in the air as you move.
Both characteristics are influenced by the formula, the quality of the raw materials, the fragrance concentration, and each person's skin chemistry.
A Perfumer's Perspective
When I create a fragrance, I never begin by asking:
"What concentration should I use?"
Instead, I ask myself different questions.
What kind of presence should this fragrance have?
Should it make an immediate impression, or reveal itself gradually?
Should it remain intimate, or leave a more noticeable trail?
What emotion should linger hours after it has been applied?
Concentration then becomes the consequence of that intention… Never the objective.
Because in perfumery, concentration measures a quantity.
The true richness of a fragrance lies in the quality of its raw materials, the balance of its composition, and the emotion it leaves behind... both on the skin and in the memory.
Each guide is an invitation to deepen your understanding of the world of fragrance, but nothing can truly replace the experience itself...
If this guide has sparked your curiosity, I invite you to explore About Me, My Olfactory Philosophy, and The Seven Foundations of My Perfumery to discover the vision and craftsmanship behind each of my creations.
When you're ready to experience them for yourself, the Discovery Experience offers a wonderful way to explore several fragrances before browsing my Complete collection of artisan perfumes.
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