All these names, what do they mean?

What is the difference between Cologne, Eau de Toilette, Eau de Parfum and Perfume? We name a fragrance “Cologne”, “Eau de Toilette”, “Eau de Parfum” and “Perfume”, depending on the concentration o...

How do you distinguish between top-middle-base notes?

Perfumers explain their fragrance with the image of a pyramid with the most volatile smells as “top” notes to the least volatile ones as the “base” notes (often also called the “dry-down”). Usually...