Guide to Performing ISO 24443:2021 In Vitro UVAPF Measurements

ISO 24443:2021 is one of the most widely used in vitro methods for determining sunscreen UVA photoprotection. To decrease method development time using your SPF-290AS in vitro Sunscreen Analyzer and LS1000 Pre-Irradiation Solar Simulator we have developed this handy guide. With its quick start instructions to ISO 24443:2021 process, you’ll be making fully compliant measurements in no time!