A fragrance It is the pleasant scent you notice when you bring a perfume close to your nose. It sounds simple, but in the world of perfumery there are five terms that we often use interchangeably, even though they are not synonyms: fragrance, perfume, cologne, aroma and essence. And on top of those five, there are the names you see on every bottle — eau de parfum, eau de toilette, eau de cologne — which aren’t just marketing ploys: they indicate how much fragrance the product contains and, therefore, how long it will last on your skin.
Understanding these differences saves you money and hassle: it stops you from buying a cologne in the hope that it will last all day, or from paying for an eau de parfum thinking it’s a light, everyday fragrance. In this guide, we clarify everything, starting with the most practical aspects: the table of concentrations and durations.
Concentration and duration
The real difference between a perfume, an eau de parfum, an eau de toilette and a cologne lies in the percentage of aromatic concentrate (the essence or essential oil) dissolved in alcohol. The higher the concentration, the greater the intensity and the longer it lasts on the skin.
| Type | Concentration* | Approximate duration | When to use it |
|---|---|---|---|
| Extract / Perfume | 20–30 % | 6–8 hours or more | Special occasions, evenings |
| Eau de Parfum (EDP) | 15-20 % | 4–6 hours | Heavy daily use |
| Eau de Toilette (EDT) | 5-15 % | 2–3 hours | Day-to-day, office |
| Eau de Cologne / cologne | 2-5 % | ~2 hours | Summer, frequent touch-ups |
| Eau Fraîche | 1–3 % | 1–2 hours | Very light, refreshing |
*Approximate percentage of fragrance concentrate. The actual longevity depends on your skin type, the fragrance notes and how you apply it.
With this table in mind, let’s look at what each term means.
What is a fragrance?
A fragrance is something that you smell and perceive as pleasant through your sense of smell. Every perfume, eau de cologne or aromatic substance gives off a distinctive scent, and that scent is its fragrance.
The word has a positive connotation and is directly linked to perfumery: we talk about «fresh fragrances», «floral fragrances» or «woody fragrances». As we shall see, that is precisely the difference between it and the aroma: ‘fragrance’ is associated with perfume, whilst ‘aroma’ is a broader concept.
What is a perfume?
A perfume is a substance, or a mixture of substances, which gives off a very distinctive smell. It is almost always available in liquid form, although there are an increasing number of solid versions.
In everyday language, «perfume» is the product we apply to our bodies to give off a pleasant scent. Technically, when we talk about perfume o extract, refers to the highest concentration in the table above: the most intense and the longest-lasting.
What do you mean by "olfactory notes" in a perfume?
A good perfume doesn’t smell the same after one minute as it does after five hours. This evolution takes place in three phases, the olfactory notes:
- Top notes. These are the first impressions – the scents you notice as soon as you apply the fragrance. They are usually light and fresh (citrus notes such as lemon or bergamot, or herbal notes such as mint) and last between 5 and 15 minutes.
- Notes from the heart. These notes emerge once the top notes have faded and define the character of the fragrance. They are warmer and more balanced: flowers such as rose or jasmine, and fruits such as peach. They last from 30 minutes to 2–3 hours.
- Background notes. These are the notes that linger when the rest seem to have faded away. Deep, warm scents (woods such as sandalwood, resins such as amber, a hint of vanilla) that can last for hours and make a fragrance unforgettable.
A tip: always test the perfume on your own skin, on your wrist or the back of your hand. Everyone’s body chemistry means that the notes develop differently, so the same bottle may smell different on you than on someone else.
What are eau de parfum and eau de toilette?
Here is the most common question, and the answer lies in concentration:
- The eau de parfum (EDP) It contains between 15 % and 20 % of concentrate. It’s intense and lasts for most of the day, making it ideal for everyday use when you want it to be noticeable.
- The eau de toilette (EDT) It has a coverage of between 5 % and 15 %. It’s lighter and fresher, perfect for everyday wear or in warm weather, although you’ll need to reapply it if you want it to last all day.
To put it another way: the same perfume can be sold in both EDP and EDT versions. It’s not that one is «better»; it’s simply that EDP is more concentrated and long-lasting, whilst EDT is more subtle.
What is a colony?
A colony (or eau de cologne, eau de cologne) is also a type of perfume: a substance that gives off a fragrance. The difference lies in its low concentration of essence, around 2–5 %.
That’s why a cologne doesn’t last as long as a perfume or an eau de parfum, but it’s lovely in summer or when you prefer a subtle, refreshing scent that you can easily reapply.
What is an aroma?
A scent is anything that gives off a smell. «But isn’t that a fragrance?» you might be thinking. The difference lies in the context: ‘fragrance’ is associated with perfumery, whilst ‘aroma’ is a more general concept and is closely linked, for example, to food.
The smell of freshly baked bread as you walk past a bakery is an aroma; the scent left by a perfume is a fragrance. That’s why we talk about «subtle fragrances» but «the aroma of coffee». What’s more, aromas have enormous evocative power: the smell of coffee can transport you back to a Sunday morning, and something sweet might remind you of your grandmother’s kitchen. If you’re interested in this topic, we have an article on Aromatherapy and its influence on emotions.
What is an essence?
The essence is the basis of all the above concepts: without it, there would be no aromas, fragrances, perfumes or colognes.
It is the raw material from which everything else is derived. In cosmetics, it is usually referred to as aromatic essence, and it is important not to confuse it with the essential oil:
- The essence It is the base note, the «concentrate» of the scent.
- The essential oil is the liquid substance that contains that essence, extracted from plants such as lavender, mint or jasmine.
To put it simply: the essence is the scent; the essential oil is the scent more the oil in which it is dissolved. By combining essential oils, unique fragrances are created which are then turned into perfumes and colognes.
So, which one lasts longer, and which one should you choose?
Listed in descending order of duration: extrait/parfum → eau de parfum → eau de toilette → cologne → eau fraîche.
- If you’re looking for last all day and if you don’t mind paying a bit more, go for a perfume or an eau de parfum.
- If you’d prefer something lightweight for everyday use, an eau de toilette is the most versatile option.
- For in summer or for frequent reapplication, a cologne or an eau fraîche.
And remember: how long it lasts also depends on your skin (dry skin retains scent less well), where you apply it (it’s best to apply it to your pulse points) and the fragrance notes themselves.
In a nutshell:
- The essence is the base odour of the essential oil.
- The combination of essences results in the fragrances.
- A fragrance is the distinctive scent given off by a perfume or eau de cologne; a aroma It’s the same thing, but in a more general context (often relating to food).
- A perfume is the substance we use to smell nice; a colony It’s the same thing, but with a lower concentration of essence and, therefore, a shorter-lasting effect.
Have we cleared up any doubts you had? At Sam Parfums you have perfumes and colognes for women, men and children so that you can find the fragrance that’s just right for you.
Frequently Asked Questions
What is the difference between perfume and eau de cologne?
The concentration of the essence. A perfume (or extrait) contains between 20 % and 30 % and lasts for many hours; an eau de cologne contains between 2 % and 5 % and lasts for around two hours, with a lighter scent.
Which lasts longer, eau de parfum or eau de toilette?
Eau de parfum, because it is more concentrated (15–20 % compared with 5–15 % for eau de toilette). Eau de toilette is fresher and more subtle, but needs to be reapplied sooner.
Is ‘fragrance’ the same as ‘perfume’?
Not exactly. Perfume is the product (the liquid or solid substance); fragrance is the pleasant scent that the product gives off.
What does «eau de toilette» mean?
This is a version of the perfume with a medium-low concentration of fragrance (5–15 %), designed for light, everyday use. It lasts between two and three hours.
How long does perfume last on the skin?
It depends on the type: an ‘extrait’ or ‘eau de parfum’ can last between 4 and 8 hours or more, whilst a ‘colonia’ lasts around two hours. Your skin type and where you apply it also make a difference.