Cosmetics - Analysis of cosmetic products - Screening for UV-filters in cosmetic products and quantitative determination of 10 UV-filters by HPLC.

This technical specification outlines a validated method for the analysis of cosmetic products, specifically focusing on the determination of ultraviolet filters. The procedure details the simultaneous detection and quantification of sunscreen agents, including one specific UV filter alongside ten others, utilizing high-performance liquid chromatography. The methodology provides precise parameters for sample preparation, chromatographic separation conditions, and identification criteria, ensuring consistent and accurate results across different laboratories. It establishes rigorous analytical protocols to assess the concentration of these protective ingredients within cosmetic formulations. The approach is designed to support quality control processes and regulatory compliance by offering a reliable means to measure the content of essential UV-filtering components. This document serves as a practical guide for analytical laboratories conducting safety and composition assessments of personal care products containing sun protection agents.