The main components are long-chain wax esters with chain lengths of around C60. Although it has
similar chemistry to sunflower wax, its applications are quite different. Refined rice bran wax has a very
hydrophobic character. It forms soft oil gels and is therefore highly preferred for emulsions like mascaras
and skin care products.

Source: Cosmetic Formulation Principles and Practice - Heather A.E. Benson, Michael S. Roberts, Vânia Rodrigues Leite-Silva, Kenneth A. Walters