Cosmetics - Analytical methods - LC/UV method for the identification and quantitative determination in cosmetic products of the 22 organic UV filters in use in the EU

This technical specification establishes a liquid chromatography coupled with ultraviolet detection methodology for the identification and quantification of twenty-two specific organic UV filters utilized within the European Union. The procedure is tailored for the analysis of cosmetic products, ensuring precise measurement of these sun protection ingredients. It outlines the necessary experimental conditions, including sample preparation protocols, chromatographic parameters, and calibration approaches required to achieve accurate results. The method focuses exclusively on the targeted compounds to support compliance assessment and quality control within the cosmetics industry. By providing a standardized approach, it facilitates consistent data generation across different testing laboratories. The document details the analytical steps required to detect these substances at relevant concentration levels in various cosmetic formulations. It serves as a reference for analytical procedures without addressing broader regulatory frameworks or market implications. The methodology emphasizes reproducibility and accuracy in determining the presence of these organic filters. It represents a harmonized approach to analyzing sunscreen ingredients, supporting safety evaluations through reliable analytical data.