Septianingrum, Y.; Safrina, U.; Puspita, N.; Surahman, S. 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. 2023, 5, 6-13.