In the United States, the term "cologne" has a masculine connotation, but this particular fragrance isn't strictly for men. It's usually a popular formulation for youthful scents that target younger people and contains around 2 to 4 per cent of perfume oils, mixed with alcohol and water. Though some of them are strong-smelling, on the body, eau de cologne typically lasts for around two hours. 

Eau de cologne also contains a high concentration of alcohol; this makes them more affordable and more readily available than others. 

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With anywhere between 5 to 15 per cent of pure perfume oils in its formulation, eau de toilette lasts much longer than eau de cologne and eau fraiche. Typically, the smell dissipates in about three hours.

Contrary to what some believe, eau de parfum is different from perfume. There's usually around 15 to 20 percent of pure perfume essence in eau de parfum, allowing the scent to last for up to eight hours on the body. 

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Perfume has the highest concentration of perfume oils in its formulation—upwards of 20 percent. You may notice the smell lingering throughout the entire day. As such, perfume is typically the most expensive out of all of the fragrances. Because it contains less alcohol content than other types, perfume is usually the go-to choice for those with sensitive or dry skin.

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