Every fragrance bottle carries a label that most buyers either ignore or misunderstand: Eau de Cologne, Eau de Toilette, Eau de Parfum, Parfum. These aren't marketing categories. They're concentration designations — a technical description of how much fragrance oil is in the formula relative to the carrier (usually alcohol).

The distinction matters more than most people think, because concentration doesn't just affect longevity. It affects how a fragrance opens, how quickly it evolves, how it projects, and fundamentally how the same formula smells and behaves differently at different concentrations.

The Concentration Hierarchy

The fragrance industry uses a loose but broadly consistent system to classify concentration. From lightest to heaviest:

These ranges are guidelines, not industry law. The fragrance industry doesn't uniformly enforce concentration claims, and individual brands may label their products differently. A well-formulated EDT can outlast a poorly made EDP. But as a general framework for understanding what to expect, the table holds.

Eau de Parfum: The Everyday Standard

Eau de Parfum at 15–20% concentration is the reference format for serious everyday fragrance. It's strong enough to project meaningfully and last through a full day, manageable enough for regular wear without overwhelming.

The key characteristics of a good EDP:

• Clear evolution from top notes through heart to base over 30–60 minutes
• Meaningful projection (perceptible at arm's length) for 2–3 hours
• Base note presence for 6–8 hours after application
• Performance across a wide range of skin types and temperatures

EDP is the concentration that most perfumers consider the primary format for a fragrance — the version against which the formula is developed. The same fragrance in other concentrations is often a reformulation or dilution, not just a scaled version of the EDP.

Eau de Toilette: Lighter, Faster

Eau de Toilette at 8–12% concentration is not a lesser version of EDP. It's a different experience of the same or a similar formula.

An EDT will typically:

• Open more sharply — the top notes are more prominent because they're less anchored by the base
• Evolve faster through the fragrance pyramid
• Project less intensively
• Fade faster, typically 3–5 hours
• Feel lighter and less "committed" as a fragrance choice

These aren't necessarily disadvantages. For people who prefer a fragrance that's present without demanding attention, or who find EDP-strength projection too much for their context, EDT is the appropriate choice. Some fragrances are also specifically designed as EDTs and perform better at lower concentration — certain citrus compositions, for example, are more balanced and nuanced at 10% than they would be at 15%.

Parfum and Extrait: Maximum Intensity

Parfum and extrait de parfum at 20–40% concentration are the most intense formats. At this concentration, the top notes are essentially absent — there isn't enough alcohol to project them strongly. What you get instead is an immediate, deep immersion in the heart and base of the fragrance.

The practical implications:

• Projection is skin-close but intensely present at very short range
• Longevity is exceptional — 12+ hours is not unusual
• A single application point (one wrist) is often sufficient
• The fragrance changes very little over time — it's the same notes throughout the wear

Extrait is not "better" than EDP in a general sense. It's a different fragrance experience that suits specific preferences: people who want to wear fragrance intimately, close to skin, without projection, for as long as possible. For everyday wear in social and professional contexts, EDP is usually more appropriate.

Eau de Cologne: The Lightest Category

At 2–5% concentration, Eau de Cologne is a splash — meant to be applied liberally and refreshed frequently. Traditional colognes were formulated this way deliberately: citrus and herb-forward compositions designed to provide an immediate, fresh sensory reset that fades within a few hours.

Modern "cologne" usage is often just marketing language for a masculine-positioned fragrance rather than a specific concentration. When a brand calls something a "cologne" without specifying EDC, EDT, or EDP, the concentration claim is ambiguous. The technical designation matters more than the marketing label.

Which Concentration Should You Choose?

A simple framework:

Choose EDP if: you want a fragrance to last a full day without reapplication, you want meaningful projection, you wear fragrance as a regular part of your presentation rather than an occasional addition, or you want the fragrance to evolve visibly on skin through top, heart, and base stages.

Choose EDT if: you prefer a lighter, less committed fragrance experience, you find EDP-strength projection too much for your context, you want a fragrance that's more forgiving if you apply too much, or you specifically like the sharper top note character that EDT brings.

Choose parfum if: you want fragrance to exist as a private, skin-close experience rather than a projection, you want extreme longevity, or you specifically like experiencing the deep base and heart of a fragrance without the top note opening.

Does the Same Fragrance Smell Different at Different Concentrations?

Yes — and often significantly so. This is one of the less understood aspects of fragrance buying.

When a brand offers the same fragrance as EDT, EDP, and parfum, they're not always simply diluting or concentrating the same formula. At different concentrations, different molecules express differently. A jasmine that's light and transparent in an EDT becomes heady and full in an EDP. A citrus top note that's prominent in an EDT may barely register in a parfum where the alcohol isn't projecting it outward.

Brands sometimes reformulate between concentrations rather than just scaling the formula. The EDP of a classic fragrance may have a slightly different character than the EDT — either by design or as an artifact of how the same notes behave differently with more or less supporting alcohol.

Why LUVO Chose EDP

At LUVO, all eight fragrances are formulated at exactly 15% concentration — the entry point for Eau de Parfum. The choice is deliberate: 15% provides full EDP performance (6–8 hour longevity, meaningful projection, complete fragrance pyramid evolution) without tipping into a concentration where the fragrance becomes aggressive in close quarters or on warmer skin.

The three formats — 100ml spray, 10ml mini, roll-on — all use the same 15% formula. The roll-on differs in its carrier (coconut oil rather than alcohol), which changes the application experience without changing the fragrance concentration. It's the same intensity, delivered differently.

Written by Antoine, founder of LUVO Parfums. All LUVO fragrances are formulated at 15% EDP concentration with perfumers in Grasse, France, and handcrafted in Montréal. Available as 100ml EDP spray, 10ml mini, and coconut-oil roll-on. No phthalates, no parabens.