Since 2007 it has been the job of Mathieu Iannarilli, a Paris-based vintage perfume dealer, to track down rare scents for clients who spend from €150 to more than €3,000 per bottle.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Perfume indecision haunts me every single morning. So, when BeautyTok started dropping the phrase ...