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3 Results
Section: Testing > Sun Protection
Interpretation of SPF In vivo Results: Analysis and Statistical Explanation
Methods for determining SPF in vivo are based on a biological response by human skin. To overcome intrinsic variation in these methods, large numbers of volunteers and statistics are required; however, these concepts are often poorly understood or worse, misinterpreted. This article discusses how these values should be interpreted and explains what they mean to formulators.
Mar 2nd, 2011
CT1103+Pissavini+Equation1
Interpretation of SPF In vivo Results: Analysis and Statistical Explanation
Methods for determining SPF in vivo are based on a biological response by human skin. To overcome intrinsic variation in these methods, large numbers of volunteers and statistics are required; however, these concepts are often poorly understood or worse, misinterpreted. This article discusses how these values should be interpreted and explains what they mean to formulators.
Jun 13th, 2013
ConsumerApplyingSunscreen850x425
Future Testing, Safety and Formulating Headline the Sunscreen Symposium
"I am convinced the earth-shattering event [in sunscreens] will eventually become the greater awareness for the big difference between SPFindoor and SPFoutdoor," writes Uli Osterwalder, regarding new findings at this year's Sunscreen Symposium.
Sep 25th, 2019
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