
The Most Expensive Colognes of All Time
OVERVIEW Most people think that the difference between perfume and cologne is purely based on gender. However, the main difference between the two lies in the concentration of water, essential oils and alcohol base. Generally, perfumes have a high concentration of oils (between 20 to 40 percent), while colognes have an oil concentration of between 2 to 4 percent. This oil concentration spectrum determines how long the scent will last.…