This is the perfume ingredient oud, which is also called agarwood, oudh, agalocha, aloeswood, or eaglewood. Agarwood is a rarity on many fronts. Because the resin is only triggered by the mold, it's estimated that a total of 2 percent of these trees produce it. Not only does this raise the price of the oil, the wood is also one of the most expensive on the market. Additionally, many of these trees are now threatened species.Buy from Olfa Originals. We have a wide variety of Luxury fragrances.We believe in bringing the finest formulated fragrances to the wearers, lending them a touch of class and sophistication.