Eau de toilette (EDT) has a fragrance concentration of between 5% and 15%. It is cheaper than eau de parfum and is one of the most popular types of fragrance available. EDT fragrance will normally last for two to three hours. Eau de toilette is considered by some to be for daywear while eau de parfum is considered nightwear. The term eau de toilette came from the French term "faire sa toilette" which means getting ready.