Formulation and evaluation of herbal lipstick from pigment of Nyctanthes arbor-tristis. Indian Journal of Natural Products and Resources (IJNPR) [Formerly Natural Product Radiance (NPR)], [S. l.], v. 13, n. 4, p. 574–578, 2024. DOI: 10.56042/ijnpr.v13i4.40393. Disponível em: https://or.niscpr.res.in/index.php/IJNPR/article/view/8653. Acesso em: 15 may. 2026.