Efficacy Evaluation of a Moisturizing Product
determine if the use of a moisturizing product increases moisture
content of the skin for up to 8 hours.
days to finish with 30 subjects
Start test within 10 days of receipt of samples
Report submitted within 4 weeks after study completion
(Courage + Khazaka) to measure moisture content of the skin
Panelists arrive at the testing center on day 1 of the study and calibrate
to room conditions. Test sites are marked on the forearm using a skin
marker. A baseline measurement of moisture content using a Corneometer®
is taken on each site. Test material is applied to one site, and the
other serves as the control and remains untreated. After 15 minutes
and 1, 2, 4, and 8 hours follow-up measurements are taken.