To start with, there’s pure “tailor–made”. Made–to–measure fragrances from Guerlain, Francis Kurkdjian or Krigler for the privileged few, creations that are crafted like suits, which take months, sometimes years, to perfect, working hand in hand with the client. “This is luxury par excellence. The creative process is not subject to material considerations or lead times, and is designed to personify the wearer’s identity. It’s also an implicit desire to break free from social uniformity”, Francis Kurkdjian explains. Then there are perfume houses that join the movement discreetly, developing their own protocols to offer customised advice for more affordable and, all in all, more cutting–edge products. The idea is to come up with the fragrance that best suits different skin types, through one–on–one consultations (Frédéric Malle), online diagnostics (Nose) or a…