Perfume Facts

Perfume | Parfum
Perfumes may categorized as Perfume / Parfum.
Perfume / Parfum also referred  as perfume extract, is the most concentrated formulation, and is usually the most expensive and can lasting for up to 8 hours. 
It contains 15-30% aromatic compounds. Due to its high amount of aromatic compounds, it also tends to last the longest when applied to the skin. It is usually sold in small bottles of 1 ounce or less.

EDP - Eau De Perfume
Eau de parfum, also known as eau de perfume or EDP, is the next most concentrated formula, and also the most popular type among all. It consists of 10-15% aromatic compounds.
EDT - Eau De Toillete
Eau de toilette is also a popular choice, and is less expensive than the perfume or parfum formulations, although its scent will not last as long when applied to the skin. Eau de toilette contains 5-20% aromatic compounds.

Cologne / Eau De Cologne
Eau de Cologne originated in Cologne, Germany. Today, it is a generic term that defines a class of scented formulations by its typical concentration of about 2-5%. Cologne products are available for either men or women, and are sometimes mistaken for aftershave, which is actually a formula containing moisturizer, an antiseptic agent, and perfume. In addition, aftershave can be a gel, lotion, or liquid.

Below are some of the facts on the lasting power of eachdifferent type of perfume :

Eau De Perfume - EDP ( 5 - 8 hours )
Eau De Toillete   - EDT ( 3 - 4 hours )
Cologne             - EDC (1 -2 hours )
  
The lasting power of perfume may differ according to your skin.