SPF and UVA testing methods clarified in ISO report
The International Standards Organisation (ISO) has put in place a new report covering common methods used around the world for testing SPF and UVA in vivo and in vitro. This will facilitate comparisons between products, according to Professor Philippe Masson, convener of the working group behind the report: “Thanks to ISO/TR 26369:2009, users are now able to compare methods quickly and easily, from just one document.”
This technical report covers 6 methods to test SPF in vivo, including a test method currently used in Europe, Japan and South Africa as well as that currently used in the USA and Canada, and the Korean and Chinese methods.
A report containing a standardised in vivo UVA method is expected to be published within the next year. As for an in vitro UVA method, a report is expected in 2011 and will most probably be based on the Colipa method.
ISO/TR 26369:2009; ISO website .
Source: Katie Bird , October 2009
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