NIERADKO-IWANICKA, Barbara; DĄBROWSKA, Kornelia; CHODUN, Wiktoria. The pH of soaps, skin care products and cosmetics used in the period of COVID-19 pandemic. Polish Journal of Public Health, Lublin, Poland, v. 130, p. 57–60, 2021. DOI: 10.2478/pjph-2020-0013. Disponível em: https://czasopisma.umlub.pl/pjph/article/view/1054. Acesso em: 3 sep. 2025.