Understanding the Evolution of Dark Fragrance Structures Dark fragrances are not random blends of heavy notes. They follow a deliberate structure designed to build intensity over time. In a noir perfume, the composition usually starts sharp, often with pepper or citrus, before settling into a dense core of woods and resins. read more :- https://medium.com/@kiswahkuwait/understanding-the-evolution-of-dark-fragrance-structures-fc16fc3456cc