Analysis of the effectiveness of over-the-counter whitening agents: literature review . Research, Society and Development, [S. l.], v. 11, n. 15, p. e454111537389, 2022. DOI: 10.33448/rsd-v11i15.37389. Disponível em: https://rsdjournal.org/rsd/article/view/37389. Acesso em: 5 dec. 2025.