Start with the shape, not the ingredients
For anyone seeking fragrance notes explained, the pyramid is a useful starting point. It arranges a scent into three broad stages: opening notes at the top, heart notes in the middle and drydown notes at the base. These describe how a composition may unfold, from its first impression to the character that remains later.
The shape can be misleading if read too literally. It does not show ingredient quantities, and a note placed at the base is not necessarily absent at the beginning. Think of it as a guide to changing emphasis. Before smelling, choose one descriptor from each level, such as citrus, floral and woody. Then check whether those broad impressions appear in that order.
Opening notes: the first impression
Opening notes, also called top notes, establish the first impression. Citrus, green, aromatic and bright spicy effects often sit here. They may suggest the peel of a mandarin, crushed leaves or a quick flash of pepper. Many materials associated with these effects evaporate relatively quickly, although their behaviour depends on the whole formula.
The opening is an introduction rather than a summary. A sparkling first impression can lead into a soft floral heart or a much drier woody finish. When assessing a fragrance, record the opening in three plain words. ‘Sharp, green, airy’ is more useful than trying to identify every listed note. Keep that first judgement separate from the judgement made later.
Heart notes: the central character
Heart notes, or middle notes, become more apparent as the initial brightness recedes. Floral, spicy, fruity and aromatic effects frequently occupy this level. The heart often helps explain the fragrance’s main identity: rosy rather than merely fresh, for example, or herbal rather than simply green.
There is rarely a clean handover from top to middle. A citrus effect may linger around a rose note, while woods are already perceptible underneath. To read the heart, return to the scent after the opening has softened and ask what now occupies the centre. Is there one clear impression, or a blend that is difficult to separate? Both are valid ways for a composition to work.
Drydown: the character that remains
Drydown describes the later phase of a fragrance, when the more fleeting effects have diminished. Base notes help shape this stage. Woods, musks, amber effects, resins and vanilla often appear here because materials used to create them can remain perceptible longer than many opening materials. The result might feel soft, dry, sweet, powdery or rounded.
Base notes and drydown are closely related, but they are not quite interchangeable. The base is a part of the composition; the drydown is the later experience of the composition as a whole. Revisit a sample later in the same day and describe what remains without consulting its note list. That description may reveal more about personal preference than the opening did.
A note is not an ingredient list
One distinction matters when reading fragrance notes explained in product descriptions: a note names a recognisable scent impression, not necessarily a single raw material. A rose note may involve rose-derived materials, other aromatic materials, or a combination. An accord is a blend designed to create a coherent effect, such as amber or a particular floral impression.
This is why two fragrances listing the same notes can smell very different. Proportions, material choices and the surrounding composition all matter. Even familiar terms are broad: ‘woody’ might suggest pencil shavings, creamy sandalwood or something darker and more textured. Use the listed notes to shortlist samples, not to predict an exact smell or deduce everything in the formula.
Read the relationships between notes
A pyramid becomes more informative when read vertically rather than as three separate lists. Look for contrasts and connections. A peppery opening above a floral heart suggests a different direction from a fruity opening above the same flower. A woody base may give the reading a drier emphasis, while vanilla suggests a potentially sweeter finish. These are clues, not guarantees.
NŌTA’s No. 02 Wooden Rose illustrates this reading. Its opening lists pink pepper and mandarin; its heart lists Damask rose and geranium; its drydown lists sandalwood, cedar and amber. On paper, that gives a bright, spicy introduction, a floral centre and a woody, amber finish. The practical exercise is to follow those three broad groups rather than insist on detecting all seven notes individually.
In short
Read the pyramid for direction, then follow the scent over time to discover which notes define its character.