Gambaran Tingkat Pengetahuan Tentang Period After Opening (PAO) Dan Perilaku Penyimpanan Kosmetika Perawatan Pada Remaja Di Kota Tangerang: The Level of Knowledge about Period After Opening (PAO) and Storage Behavior of Cosmetics in Adolescents in Tangerang. J. Sains. Kes 2024, 5 (1), 6-13.