Macadamia Ternifolia Seed Oil, also known as Macadamia Nut Oil, is a rich, emollient ingredient that excels at conditioning the skin. Its primary function is to act as a barrier, helping to seal in moisture and prevent water loss, resulting in softer, smoother, and more supple skin. With a low risk level of 1, this ingredient is generally well-tolerated and offers excellent moisturizing benefits without significant concerns.