In advertisements and descriptions of perfumes you can often come across the term “fragrance note”. It is a distinguishable aroma emitted by a given substance as a result of its contact with skin or surroundings. A professional description includes:
Head note (top) – it is perceived immediately upon application of the perfume, however for a very short time, maximum half an hour. It usually contains citrus or subtle herbs notes.
Heart note (middle) – it connects top notes with base ones. It consolidates aroma deciding about its character and lasts up to a few hours. Heart note often appears as floral aromas or fragrances based on herbs and spices.
Base note – it is characterised by the longest duration though it doesn’t have to be most detectable. Compounds of the base note are rich and deep, such as musk or chemical fixatives.