An observational study of photoaging 2018.5
- Conditions
- Healthy adults
- Registration Number
- JPRN-UMIN000040443
- Lead Sponsor
- Kao Corporation
- Brief Summary
Measurements were performed in the high and low UV exposure groups. As a result, it was confirmed that there were significant differences in pore area, stratum corneum water content, intercellular lipid structure, etc. between the groups. It was also found that there is a difference between the groups about ultraweak photon emission. From these results, it was suggested that skin changes caused by photoaging can be evaluated by these measurements.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- Female
- Target Recruitment
- 40
Not provided
Subjects with abnormal skin on the test site Subjects who go to medical institution with skin disease Subjects with atopic skin or skin that is prone to cosmetic trouble Subjects taking drugs that affect photosensitivity Subjects who have had abnormal reactions to sunlight Subjects with phobia of the dark or closed place Subjects who may be pregnancies during the study period Subjects who may lactate during the study period. Subjects deemed inappropriate to participate in this study by the principle investigator
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method
- Secondary Outcome Measures
Name Time Method