Macadamia oil is rich in fatty acids and potassium. Its concentration of palmitoleic acid, in particular, makes it a popular ingredient in cosmetic products that are meant to smooth skin and hair. Macadamia oil is used both as cooking oil and as an ingredient for food and cosmetics. Macadamia nut oil is rich in monounsaturated fatty acids, including Oleic Acid (Omega 9). Thesefatty acids are very moisturising, regenerating andand can soften the skin. They also have anti-inflammatory properties.The Linoleic Acid (Omega 6) in Macadamia nut oil helps to restore the skin's barrier function and scale down the water loss.