Today, fine fragrance is a more than $20 billion a year industry, largely built on synthetics bottled in a lab. Blanche says man-made scents are essential to modern perfumery. You create perfection by balancing note that are unpleasant with note that are pleasant.If your apple is too perfect, you say, "Oh my god, it's not organic. It's not natural." So, the imperfection and this off note are very important for your fragrance. So, it's kind of like baking. You have to put a little bit of salt in the cake mix ...