Article
The variability of in vivo sunscreen sun protection factor values
10 Jul 2025
Abstract excerpt
OBJECTIVE: Determination of the sunburn protection provided by a sunscreen product is required globally for sales of these products. Over the past 80 years, many aspects of determining the protection 'factor' have evolved and been modified, with varying levels of impact on the sunburn protection factor (SPF) value. In order to compare new non-invasive and in vitro methods against traditional SPF test protocols, a...
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