One of the fragrance world's newest trends is actually an old favorite. Oud is popping up in a number of fragrances, candles and oils. What is oud you may ask? It's actually a very classic scent. To get specific, oud is a fragrant resin found in the agar tree that has been infected with a certain mold variety. Oud is actually extremely luxurious and very valuable. If you're ready to live the live of oud luxury, check out some products we found to make the note wearable.