Widyastuti, Widyastuti, Elmitra Elmitra, Dewi Yudiana Shinta, Verawati Verawati, and Ria Afrianti. “Fractionation and Formulation of Face Serum from Citrus Hystrix DC. Fruit Peel Extract As Sunscreen and Skin-Lightening”. Science and Technology Indonesia 10, no. 1 (January 1, 2025): 262–272. Accessed May 23, 2026. https://www.sciencetechindonesia.com/index.php/jsti/article/view/1577.