Macadamia Flawless Natural Oil. Macadamia Natural Oil Flawless is an innovative system that combines cleansing, conditioning and ideal hair refinement in one product. Immediate and perfect balance is restored to any hair type, giving gentle and thorough surfactant-free hair cleansing. Macadamia Oil and Argan Oil work in conjunction with the hair’s natural oils, replenishing hair life and health and imparting manageability, shine and softness.