Olive oil comes from the fruit of the olive tree (Olea europaea), which is a small evergreen tree native to the Mediterranean region. The olive fruit is pressed to extract the oil, which is then used in various applications such as cooking, cosmetics, and skincare. The cultivation of olive trees for oil production dates back to ancient times and is still an important industry in many Mediterranean countries such as Italy, Spain, and Greece. Nowadays, olive trees are also grown in other regions of the world such as Australia, South America, and the United States.