Sonia Selletti. “Overlapping Definitions of Drugs, Topical Medical Devices, Cosmetics.: The Cosmetic Efficacy: Myth or Reality?”. Journal of Applied Cosmetology, vol. 29, no. 3, Dec. 2011, p. 129/133, https://scientificeditorial.com/index.php/JAC/article/view/Overlapping-Definitions-of-Drugs-Topical-Medical-Devices-Cosmeti.