N. S. Salsabila, Annisa Fatmawati, Sundari Desi Nuryanti, Emelda, Ade Puspitasari, and Latifa Amalia, “Formulation and SPF Evaluation of a Lip Oil Serum Combining Ethanol Extract of Butterfly Pea Flower and Lavender Oil”, MFI, vol. 20, no. 2, pp. 165 - 175, Oct. 2025.