Quelques termes liées à la parfumerie :

Character
What distinguishes and personalizes a note, a harmony, and a perfume.

Distil (To)
Pull in the steam to collect the nice-smelling elements (essential oil) contained in certain natural raw materials.

Filter (To)
Physical action which consists in holding (retaining) the insoluble particles in suspension in a liquid by means of a filter: paper, asbestos, tissue, etc. …

Rectify (To)
Clear by distillation a raw material of its impurities.

Stability
Property of a perfume a little bit sensitive to the different physical chemical changes.