Categories of perfumes and their duration
Eau de Cologne
This is a solution of about 3% of concentrated perfume in solvent and water. This means that it is much lighter than the concentrated perfume. Men Cologne contains usually about 5-8 % concentrated perfume, which means it is more concentrated than eau de toilette for women. Its duration is 2 to 3 hours.
Eau de Toilette
This is a solution contains between 3% and 8% of concentrated perfume in solvent and water. Eau de Toilette is more concentrated than cologne. It is used to create less complicated perfumes. It is the most common product on the market and its duration is 2 to 4 hours.
Eau de Perfume
This is an solvent solution containing between 10% and 15% of concentrated perfume, so it is more intense and lasts longer. Spray Eau de Perfume can contain 16% concentrated perfume. It usually lasts 3 to 5 hours.
It has the highest concentration of fragrance, at least 20%. Perfumes are the most intense and durable, also more expensive. So no need to use a large amount. And the scent lasts longer, normally, up to 6 hours.