Quelques termes liées à la parfumerie :

Balm (in cosmetic)
Emulsion with fat consistency, few or not alcoholic.

Dilute
Decrease the concentration of a nice-smelling product.

Infusion
In fragrances, the verb to infuse means putting in prolonged contact (sometimes several years) a solid with a liquid to dissolve it in cold the soluble parts (example: musk, amber, chive, oak moss)

Identical Nature (I.N.)
Product obtained in laboratory by chemical reaction of two or several bodies which can be stemming from natural essence or from the other materials without visible report with the perfume shop themselves. It would be false to say or to think that all the synthetic products come purely and simply to supplant the natural products. They offer a wide range of findings smells in the nature or the unknowns of this one. For example the ionone which does not exist in the violet, but the smell of which it exhales however. Synthetic products enrich the palette of the creator of indispensable products and high qualities.

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