healthy people
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. men and women between the ages of 20 and 60 at the time consent is obtained. 2. healthy and free from chronic physical diseases. The applicant must be able to confirm this by interview with the physician in charge of the study. 3. 3. The applicant must not be using any medicated cosmetics, supplements, or other products that are expected to have related efficacy. 4. have been fully informed of the purpose and content of the study, have the capacity to consent, and are willing to voluntarily participate in the study based on a thorough understanding of the purpose and content of the study, and are able to consent to participation in the study in writing. 5. Be able to come to the office on the designated examination date and undergo the examination. 6. who have been approved by the study physician as appropriate to participate in the study.
Exclusion criteria
Exclusion criteria: 1. who currently suffer from any disease and are under medication. 2. 2. who have been determined by the examining physician to have a serious skin condition such as dermatitis. 3. who are unable to intentionally refrain from direct exposure to the sun during the examination period. 3. who cannot intentionally refrain from being exposed to direct sunlight, such as sunburn, during the examination period. 4. who are allergic (to drugs or test materials). 4. those who have allergies (to pharmaceuticals or products related to the test materials) 5. those who are pregnant or nursing 5. who is pregnant, lactating, or intends to become pregnant during the study period 6. who are currently, or have been within the past month at the time of consent, in the habit of continuously ingesting or applying a drug that claims to improve the skin in relation to the area to be measured. 7. who are in the habit of applying a drug that claims to improve the skin in relation to the area to be measured. 7. who are otherwise deemed by the investigator to be inappropriate for the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| change of water content in the epidermis after 12 weeks of intake | — |
Countries
Japan
Contacts
Wakayama Medical University Dermatology