摘要：

The sun protection factor (SPF) of a new foundation product, 2 WAY Foundation TD, was evaluated according to our laboratory and the Japan Cosmetic Industry Association (JCIA). The geometric mean SPF was 14.7 with a standard deviation of 1.0. The SPF determined according to the JCIA's guidelines was 15.5. This product, thus proved to belong to the 'Very High Sun Protection Product' class and thus seems to be appropriate for use by normal and photosensitive subjects.

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