The Special Magic of Agarwood and Oud Oil ~ How to apply and use Oud Oil. Oud Oil is derived from Agarwood resin and is the key ingredient in some of most expensive and luxurious fragrances on the market today. Plantations International currently has Agarwood plantations in Thailand, Malaysia and Indonesia. With plans to expand into Vietnam by Q3 of 2021, offering the top fragrances houses across the globe an unprecedented wide variety of scent notes that no other plantation company can match! I