Healthy adults
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Men between the ages of 20 and 60 years old. Who can be confirmed good health and free from chrocic physical disease by medical interview. Who not be using any cosmetics with medicinal effects. Who have been fully informed of the purpose and content of the study, have the ability to consent, and be able to voluntarily agree to participate in the study in writing upon full understanding of the study. Who be able to come to the laboratory on the designated examination date and be able to undergo the examination. Who be approved participate in the study by investigator.
Exclusion criteria
Exclusion criteria: sunlight during the study period, for example, by sunbathing. -Who show statistical outliers in measurements related to the primary and secondary outcomes of the study. Who with allergies (to pharmaceuticals or products related to test materials). -Who have a current or past habit of continuous ingestion or application of drugs claiming to improve the skin. -Who use cosmetics that have a strong effect on the skin (the investigator will determine) -Who are deemed inappropriate for this study by the investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Melanin level | — |
Secondary
| Measure | Time frame |
|---|---|
| spot score stratum corneum water content | — |
Countries
Japan
Contacts
Tsuno Rice Fine Chemicals Co., LTD Research and Development