Formulation and Evaluation of Herbal Anti-Acne Gel Containing Extracts of Tabernaemontana Divaricata and Psidium Guajava. International Journal of Ayurveda and Pharma Research, [S. l.], v. 12, n. 11, p. 23–28, 2024. DOI: 10.47070/ijapr.v12i11.3437. Disponível em: https://www.ijapr.in/index.php/ijapr/article/view/3437. Acesso em: 28 dec. 2025.