Argan oil is a type of vegetable oil that is produced from the argan nuts, a tree that grows mainly in the southwest of Morocco. It is considered one of the most precious oils in the world because of its rarity and its many beneficial properties for health. In addition to its skin and hair benefits, argan oil is also used in the kitchen. It has a slightly hazelnut taste and can be used to season salads, vegetables and toasted meats. It is also popular in the preparation of certain Moroccan pastries.