None
Conditions
Sponsors
DRC Co., Ltd.
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: (1) Japanese women aged 30-59 years at the time of consent. (2) Individuals who feel dryness and decreased firmness or elasticity of the skin. (3) Individuals who received sufficient explanation about the study and voluntarily provided written informed consent.
Exclusion criteria
Exclusion criteria: (1) Individuals with a history or current diagnosis of chronic diseases such as liver disease, kidney disease, diabetes, or skin disease, or those currently receiving medical treatment or medication. (2) Individuals with a history of atopic dermatitis or an atopic predisposition. (3) Individuals who have received cosmetic medical or surgical treatments at the evaluation site within the past 6 months, or plan to do so during the study. (4) Individuals who have received beauty treatments, massages, or peeling at the evaluation site within the past 4 weeks, or plan to do so during the study. (5) Individuals who have developed a skin disorder at the evaluation site and received treatment within the past 4 weeks, or plan to do so during the study. (6) Individuals who continuously use medications, quasi-drugs, health foods, dietary supplements, skincare products, or beauty devices that may affect the study results. (7) Individuals who have been exposed to excessive ultraviolet light within the past 4 weeks, or plan such exposure during the study. (8) Individuals with a history of excessive alcohol consumption, drug dependence, or mental illness. (9) Individuals who smoke regularly. (10) Individuals with irregular lifestyles due to shift work or sleep disorders. (11) Individuals with a risk of allergy to the test food. (12) Individuals who may use medications for seasonal allergies or who have symptoms of skin irritation during the study. (13) Individuals who plan to change their mask-wearing habits during the study. (14) Individuals who are pregnant or breastfeeding, or who wish to become pregnant during the study. (15) Individuals who plan overseas travel, domestic trips, or changes in living environment lasting one week or longer during the study. (16) Individuals who have participated in another clinical study within the past 4 weeks. (17) Any other individuals deemed inappropriate by the principal investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Skin elasticity | — |
Secondary
| Measure | Time frame |
|---|---|
| Transepidermal water loss (TEWL), Stratum corneum water content, VISIA image analysis, Skin color /tone (spectrophotometer), Subjective skin condition assessments (SS-10, VAS) | — |
Countries
Japan
Contacts
Public ContactHiroaki Furusho
DRC Co., Ltd. Clinical Trial Group, Testing Department
Outcome results
None listed