How to choose perfume?

Do you want to buy perfume? Don't know how to choose one?  Often ask yourself this question  "how to choose perfume" ? 

Here is some helpful information and tip for you, a corner stone of perfume knowledge.

Perfume Groups

Fragrances is divided into 5 Groups. And by knowing the Groups of this fragrances, you will be able to know what kind of fragrance you're buying. Anyway these are the 5 Groups of Fragrance.

Perfume - has the most essential oil. It has 22 - 25% [Extracts up to 40%] of essential oils.
Which means the scent is super super strong, the more essential oil, longer it will last and costly it could be.

Eau de Parfum [EDP] - This contains 15 - 22% of essential oils.
This is the commonly distributed group that are out in the market by which also last for a very long time.

Eau de Toilette [EDT] - This contains 8 - 15% of essential oils.
This is just a diluted scent. This is for people who doesn't prefer strong scent.
EDT are usually light, and fresh scent.

Eau de Cologne - Contains 4% of essential oils.

Eau de Fraiche [splash] - Contains 1 - 4% of essential oils.  Mostly used after shave, Barely nothing for women.