Widyastuti, Widyastuti, Elmitra Elmitra, Dewi Yudiana Shinta, Verawati Verawati, and Ria Afrianti. 2025. “Fractionation and Formulation of Face Serum from Citrus Hystrix DC. Fruit Peel Extract As Sunscreen and Skin-Lightening”. Science and Technology Indonesia 10 (1):262-72. https://doi.org/10.26554/sti.2025.10.1.262-272.