Hulau M, Leswana NF, Oklyan R. Analysis of Salicylic Acid Levels in Anti-acne Facial Serums Circulating Online in Samarinda City by UV-Visible Spectrophotometric Method. PHARMADEMICA [Internet]. 2026 Sep. 14 [cited 2026 Sep. 15];6(1):38-53. Available from: https://jurnal.poltekkespim.ac.id/index.php/pharmademica/article/view/89