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Issues at the margins Validation of Sunscreen in vitro UVA Test Measurement For FDA, COLIPA and ISO

JOHN STATON*, CRAIG DENNYSON
*Corresponding author
Dermatest Pty Ltd Sydney, 20-22 King St, Rockdale, NSW 2216, Australia

Abstract

In vitro methods, such as that published byCOLIPA in the E.U., designed for the determination ofUVA performance of sunscreen products, have nowbeen implemented in most markets where this productcategory is regulated. ISO 24443, a collaborativedevelopment targeted at harmonization, is soon to bepublished and FDA has recently released a method forthe USA. We provide an explanation of the testparameters and compare the validation requirements ofthese thin film methods.


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