Hulau, Melisa, Nurillahi Febria Leswana, and Risny Oklyan. 2026. “Analysis of Salicylic Acid Levels in Anti-Acne Facial Serums Circulating Online in Samarinda City by UV-Visible Spectrophotometric Method”. PHARMADEMICA : Jurnal Kefarmasian Dan Gizi 6 (1):38-53. https://doi.org/10.54445/pharmademica.v6i1.89.