“Formulation and Evaluation of Herbal Face Serum by Using Nelumbo Nucifera for Treating Hyperpigmentation”. International Journal of Research in Pharmacology & Pharmacotherapeutics, vol. 15, no. 1, Mar. 2026, pp. 518-24, https://doi.org/10.61096/ijrpp.v15.iss1.2026.518-524.