Olive oil is rich in monounsaturated oleic acid. This fatty acid is believed to have many beneficial effects on skin & hair.Olive Oil is rich in monounsaturated fats or oleic acid which is very good for skin.Apart from its beneficial fatty acids, it contains modest amounts of vitamins E and K. It is also loaded with powerful antioxidants and contains nutrients that fight inflammation.When applied to the skin, antioxidants may prevent premature agingIt is a popular natural moisturizer that is used to soften both skin and hair.