The most common you will find is Eau De Toilette. The lighter, fruitier top notes of an eau de toilette are the most intense. It's also usually less expensive than heavier concentrations. Eau de Toilette. An Eau de Toilette is between 4-10% Perfume oil. Pure Perfume (or parfum as it’s also known) is the strongest, followed by Eau De Parfum (EDP), Eau De Toilette (EDT) and finally Eau De Cologne. If you need a scent to last longer than your go-to cologne, eau de toilette is the stuff to buy. Eau fraiche – The most diluted version of fragrance, usually with one to three percent perfume oil in alcohol and water. The fragrance lasts longer than cologne but still fades within a few hours. Like cologne, it doesn’t provide any skin benefits but it will last the longest. There is also Eau Fraiche which is even weaker, however this is quite rare and is not used by many perfume houses. The concentration allows you … A Perfume or sometimes called an Extrait is between 15-25% Perfume oil. A Cologne or sometimes called an Eau de Cologne or an Eau Fraiche is between 2-5% Perfume oil. Eau de toilette contains a slightly higher amount of fragrance oil than cologne, typically between 8 and 15 percent. An Eau de Parfum is between 8-15% Perfume oil. Eau de perfume/parfum: This uses the same perfume essence but less of it and more alcohol and water.This means the smell is a bit lighter and usually doesn’t last … Eau de toilette is a much more concentrated version of cologne. Usually lasts for less than an hour. Cologne (eau de cologne) – Oldest term for perfume, used in North America for masculine scents.