Amparo Salvador is a Professor in the Department of Analytical Chemistry and heads the Research Group for the Analytical Control of Cosmetic Products at the University of Valencia, Valencia, Spain. She has authored more than 170 scientific publications and is an expert in a number of analytical technologies, including atomic and molecular spectroscopy, flow injection techniques, chromatography, sample preparation methods, and green analytical procedures. Alberto Chisvert is an Associate Professor in the Department of Analytical Chemistry at the University of Valencia, Valencia, Spain. Prof. Chisvert is the lead research supervisor within the Research Group for the Analytical Control of Cosmetic Products. His primary areas of interest are liquid and gas chromatography coupled to mass spectrometry, liquid-phase and solid phase microextraction techniques, bioanalysis, and cosmetic, pharmaceutical, and environmental analysis. With co-author Amparo Salvador, he has written more than 70 publications specifically related to the analysis of cosmetic products and has conducted four major research projects for the Spanish Ministry of Science. He is a member of a committee for the standardization of analytical methods for cosmetic products which provides advisory recommendations to the Spanish Association for Standardization and Certification, the National Association of Perfumes and Cosmetics (Spain), the European Committee of Standardization, and the International Organization for Standardization.