Parfum vs EDP vs EDT vs Cologne: A Simple Concentration Guide

The short answer: Parfum (also called Extrait) is 20–30% aromatic oil, Eau de Parfum (EDP) is 15–20%, Eau de Toilette (EDT) is 5–15%, and Eau de Cologne (EDC) is 2–5%. Higher concentration means the fragrance lasts longer and stays closer to the skin. Lower concentration means it sprays lighter, projects wider, and needs reapplication. Both are valid — it depends entirely on how and when you want to wear it.

Parfum is the densest form. Two dabs on the wrist last twelve to twenty-four hours, sometimes longer. It does not project across a room; it lives on your skin for a partner or a close colleague to notice. Best worn at night, on quieter occasions, when you want a fragrance that behaves like jewellery.

EDP is what most modern niche perfumery ships. Six to nine hours of wear, moderate projection for the first two hours, and then a warm skin-scent for the rest of the day. If you are buying one bottle a year and want it to work at the office and on a date, EDP is the safest bet.

EDT is the daytime, hot-weather workhorse. It sprays lighter, evaporates faster, and is often built around brighter top and heart notes — citrus, cologne accords, green florals. In Indian summers, EDT actually often outperforms EDP because it doesn't turn cloying in 38°C heat. Reapply once around 3 PM.

Eau de Cologne is the lightest classical concentration. Two to four hours of wear, very airy, historically citrus-forward. Cologne originally referred to a specific formula from Cologne, Germany — bergamot, neroli, rosemary. In modern usage the word has drifted to mean 'men's perfume', which is not what the concentration actually means.

Then there are the Indian equivalents. Attar is closer in structure to Parfum — 100% oil, applied in tiny amounts, extremely long wear. Perfume oils and Extrait de Parfum from niche houses can hit 30–40% concentration. These are not 'stronger' in a bad way; they are just designed to be worn differently.

The mistake most first-time buyers make is assuming that higher concentration equals better perfume. It does not. A well-built EDT can outperform a poorly built Parfum every time. Concentration is not quality. It is intent. What is the perfume being asked to do?

If you want to actually feel the difference, dilute one of your own blends at three different concentrations from the same Signature Kit — one at 20%, one at 15%, one at 8% — and wear each on a different day. You will learn more about concentration in a week than in a year of reading about it.