Pena-Ferreira, Maria Rosa, Delfim Santos, João Baptista Pereira Silva, Maria Helena Amaral, José Manuel Sousa-Lobo, Jorge Hamilton Gomes, and Celso de Sousa Figuerido Gomes. “Application of Smectitic Clays from Porto Santo’ Island in Facial Masks”. Anales de Hidrología Médica 4 (February 21, 2012): 67–79. Accessed July 25, 2026. https://revistas.ucm.es/index.php/ANHM/article/view/38346.