High Performance Liquid Chromatography Method for Analysis of Alpha Arbutin and Niacinamide in Facial Whitening Creams: Metode Kromatografi Cair Kinerja Tinggi untuk Analisis Kandungan Alfa Arbutin dan Niasinamid dalam Krim Pemutih Wajah. Pharmasci [Internet]. 2024 Jul. 22 [cited 2025 Oct. 26];9(1):41-8. Available from: https://ejournal.akfarsurabaya.ac.id/index.php/jps/article/view/374