Perfumery Craft
Note
A note is a single fragrance impression within a composition, classified as top, heart, or base according to how quickly it's perceived and how long it lasts on the skin before stop being recognizable.
Top notes are the first impression and fade fastest; heart (or middle) notes are more prominent as the top fades and form the core character; base notes are drydown and develop last and linger longest, often anchoring the whole composition. This is a simple view. From the formulation standpoint each note has one or few ingredients that have specific function in a formula such as basics, blenders, modifiers and fixatives. Perfumers build a Composition by layering notes considering their function and volatility property."
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