Fragrance Concentrations: EDT vs EDP vs Parfum

Fragrance concentration is how much perfume oil is in the liquid, and it sets a scent's strength and longevity. From lightest to strongest: Eau de Cologne (2–4%), Eau de Toilette (5–15%), Eau de Parfum (15–20%) and Parfum/Extrait (20–30%). More oil means richer and longer-lasting — not automatically better.

The ladder, with real longevity

When the EDP is worth the extra money

Buy the EDT instead, or drop a tier further, if strong fragrance gives you a headache — concentration is the main lever there, and why cologne gives you a headache explains why. Buy the EDP when you want a scent to last a full day, when it is cold (the cold mutes fragrance, so you need the extra strength), or when the EDP is a genuinely different, richer composition rather than just a stronger version — which happens often. Dior Sauvage is a good example: the EDT is a bright ambroxan blast while the EDP is warmer and sweeter, so they are worth owning for different reasons.

When the EDT is the smarter buy

Reach for the EDT when it is hot, when you want something lighter and more casual, or when you would rather reapply a fresh scent through the day than wear one heavy one. In summer especially, a lighter concentration reads clean where a parfum turns cloying — see the best summer colognes. Concentration is about intensity, not quality: a great EDT beats a mediocre parfum every time.

Why concentration is the whole story behind cheap clones

This ladder explains something that confuses almost everyone who buys their first $25 Arabian bottle and finds it out-lasting a $140 designer. The designer is usually an eau de toilette; the clone is usually an eau de parfum, and increasingly an extrait. You are not buying better perfume — you are buying more of it per spray. Our dupe database puts a concentration and a live price-per-millilitre next to every bottle for exactly this reason: it is the only way to compare a 105 ml EDT with a 60 ml EDP honestly.

• Creed Aventus dupes — where the step up from EDT to parfum and extrait genuinely changes the fragrance, not just its volume.
• Dior Sauvage dupes — Sauvage is an EDT, and the one clone formulated as an EDP is the one owners report out-lasting it.
• Bleu de Chanel dupes — the counter-example: both budget takes are EDPs and still read thinner than a Chanel EDT, because the gap is in the blending.
• Baccarat Rouge 540 dupes — original and clones are all EDPs, so concentration cannot close the gap at all.

The pattern across those four pages is the useful takeaway: concentration sets the ceiling on how long a fragrance can last, but it decides nothing about how good it smells. Where a clone wins, it is usually because it is a strength higher than the designer it copies. Where a clone loses, no amount of extra oil rescues it.

One practical footnote: concentration is also the lever to reach for if you are trying to limit how much aromatic material lands on your skin, since an eau de toilette carries less of it per spray than an eau de parfum of the same name. That argument, and the evidence behind it, is in is cologne bad for you.