VENKATA RAVELLA. Nano emulsion of Kojic acid and Tetrahydro curcumin formulation for hyperpigmentation. International Journal of Pharmaceutics and Drug Analysis, [S. l.], v. 7, n. 6, p. 38-42, 2019. Disponível em: https://www.ijpda.org/index.php/journal/article/view/421. Acesso em: 27 jun. 2026.