Lopes, Anna Ruth A., Maria de Lourdes S. Vargas, and Ary G. da Silva. “Plants and Their Extracts : Administration and Bioavailability of Phytochemicals Applied on the Skin”. Natureza Online 4, no. 2 (June 6, 2006): 62–66. Accessed November 21, 2025. https://naturezaonline.com.br/revista/article/view/187.