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Sillage in perfume refers to the aura or trail created by a perfume when it is worn on the skin and is often associated with the length of time a fragrance residue remains on the skin or clothes. It comes from the word in French for “wake” and can best be described as how a fragrance diffuses around the wearer. Sillage or diffusion in fragrances can also be called the “projection” of a fragrance.
Understanding Fragrance Notes
You will often see top, middle and base notes being used to describe a fragrance.
The top notes of a fragrance, also known as the head or opening notes, are what you smell immediately after spraying your perfume or aftershave; they evaporate quickly but will form the first impression of the fragrance.
The middle, or heart, notes appear once the top notes have disappeared. These notes are considered to be the main body of the fragrance, lasting longer than the top notes and are usually well-rounded.
Base notes are what is left at the end; it is this smell that you remember the most. The base notes are the longest lasting, mixing with middle notes to create the full body of the perfume of aftershave.
