Found these facts from Aunty Judy's Attic.Perfume
15-30% concentration of perfume essence, lasts up to 6 hours.
Parfum De Toilette
Usually between a perfume and an EDP in strength but a few companies use the term to describe an EDT.
Eau De Parfum (EDP)
8-15% concentration, less expensive, lasts for 3 to 5 hours.
Eau De Toilette (EDT)
4-8% concentration of the essence, less expensive than Eau de Parfum, lasts for 2 to 4 hours.
Eau De Cologne (EDC)
3-5% concentration of perfume essence, lasting up to 2 hours.
For Men
Eau De Toilette (EDT)
Greatest concentration of essence generally available for men, lasts the longest, up to 5 hours. Often available in either a splash or a spray.
Aftershave
Less strong, popular choice, lasts for 2 to 3 hours.
