Naturalizes vanillin for a more authentic vanilla bean scent
Provides a distinctive hay scent for fragrance complexity
First synthetic aroma chemical used in a renowned fragrance
Versatile use in perfumery for both subtle and bold effects
Summarized by Shop
Switching between hay and tonka beans depending on the context of the material in a fragrance, coumarin is one of the most widely used and popular synthetic aroma chemicals. It was the first synthetic used in a fragrance — 10% of Fougère Royale by Paul Parquet for Houbigant in 1882 (see the formula for this fine fragrance below).
A touch
Chemical Name
Coumarin
Form
Synthetic aroma chemical
Fragrance Application
Eau de Parfum
Historical Use
First synthetic in Fougere Royale (1882)
Scent Profile
Hay and tonka bean
Summarized by Shop
5.0
21 ratings
5
4
3
2
1
A Total Game Changer for Blends That Need a Little Help
I’m a beginner to intermediate hobbyist perfumer, and I like to test new ingredients in small amounts first. I’ve taken 10 mL from a 100 mL master batch, whether it’s a men’s cologne or a perfume, and added just one drop of Coumarin to see what it would do.
You really don’t need much to notice a difference. I’ve found it helpful when a scent feels a little uneven or when one note seems to stand out too much. It helps everything smell smoother and more put together.
I definitely recommend starting small and testing before adding it to your full batch. A must have for hobbyists like me!
K
Kiki · August 22, 2026
I absolutely LOVE this! Powdery goodness that reminds me of bucking hay in the summer! This is a very unisex scent. So good!
S
shelby · May 24, 2026
A Pillar of Classical Perfumery, Done Properly
This coumarin from Fraterworks is excellent quality, clean, powerful, and true to its classical character. Sweet, powdery, hay-like, with a very clear marzipan / almond-tonka facet that comes through beautifully, especially at low dilution. That marzipan warmth is what gives coumarin its addictive, comforting pull, and it’s very present here.
A small amount goes a long way, and the longevity on strip is outstanding. It integrates smoothly into fougères, orientals, and gourmands, adds structure to bases, and naturalises vanilla materials in a very convincing way. Used with restraint, it’s elegant; pushed, it becomes richly hayed and gourmand.
Fraterworks delivers a coumarin that doesn’t just smell good, it behaves properly in formulation. A foundational material, executed with precision, and essential for anyone working seriously with classical structures.