Photoprotection by sunscreen depends on time spent on application.
Ida Marie HeerfordtLinnea R TorsnesPeter Alshede PhilipsenHans Christian WulfPublished in: Photodermatology, photoimmunology & photomedicine (2017)
We found that participants applied a constant amount of sunscreen per minute during both a first and a second application. Measurement of time spent on application of sunscreen on different body sites may be useful in investigating the distribution of sunscreen in real-life settings.
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