(Eau Fraiche, EDC, EDT, EDP, and Perfume)
We have all seen either Eau Fraiche, Eau De Cologne, Eau De Toilette, Eau De Parfum, or Perfume written underneath the name of the bottle. This is actually the fragrance concentration of your scent. As one is different from the other it is good to know what they mean so that you can identify what concentration of your favourite scent you are buying.
Fragrance concentration simply means the strength of that fragrance. For instance, one's with lower fragrance concentration will contain less perfume oils and more alcohol, which decreases the longevity of the scent.
To help you understand better, here are the categories of fragrance concentration.
Eau Fraiche has the lowest concentration of fragrance, and lasts less than two hours. It has a fragrance concentration of 1 to 3 percent, with the highest amount of alcohol. Along with the oil, rest of Eau Fraiche scents are made of mostly water.
Eau de Cologne
In terms of concentration, Eau de Cologne (EDC) is at the bottom of the range (but before Eau Fraiche). It contains about 7 percent of the fragrance concentration in a higher concentration of alcohol. The maximum longevity of EDC fragrances is two hours, which requires frequent reapplying. It is mainly sold in bigger bottles, and is often applied in the form of spray.
Eau de Toilette
Derived from the french term "faire sa toilette" which translates to getting ready - Eau de Toilette (EDT) has a fragrance concentration of about 10 - 15 percent. It is one of the most popular forms of fragrance available in markets, and cheaper than EDP and Perfume. When EDT fragrances are applied, the first scent released is the top notes. Nevertheless it evaporates and fades away pretty quickly, lasting for only two to three hours.
Eau de Parfum
Out of the three above, Eau de Parfum (EDP) has the highest fragrance concentration of oils between 15 - 20 percent. It generally lasts for four to five hours, with the middle notes becoming noticeable after the top notes die out. While it is more expensive that EDT, it is cheaper than Perfume and better for sensitive skin than other types of fragrances.
Perfume, also known as extrait de parfum or pure perfume, contains the highest concentration of fragrance, from 15 to 40 percent! However, for most perfumes it is between 20 - 30 percent. Out of all of the available fragrance types, perfume lasts the longest; mainly six to eight hours. However with the highest fragrance oil concentration, the price is just as high in Perfume as well. Just a tiny amount of it is enough to last most part of the day, with the top, middle, and base notes released over a period of time.