Kukui Oil (aleurites moluccana)is a rich source of linoleic acid, essential for healthy skin. It is an anti-aging and moisturizing oil that is also an excellent skin conditioner.The kukui tree (Aleurites Moluccana) was designated the state tree of Hawaii in 1959. The blossom of the kukui is also the official Island flower of Moloka'i. The kukui tree is not native to Hawaii (originating in Polynesia).