Bello IA, Umoren IE, Ugboaja VC. Health Hazard Posed by some Heavy Metals in Matte “Paint” Lipstick. NIJOPHASR [Internet]. 2020 Aug. 16 [cited 2024 Sep. 19];8(1):66-72. Available from: http://mail.nijophasr.net/index.php/nijophasr/article/view/276