Formulation and evaluation of herbal hair dye. International Journal of Research in Pharmacology & Pharmacotherapeutics, [S. l.], v. 11, n. 4, p. 198–202, 2022. DOI: 10.61096/ijrpp.v11.iss4.2022.198-202. Disponível em: https://ijrpp.com/ijrpp/article/view/451. Acesso em: 29 apr. 2026.