None listed
Conditions
Interventions
None listed
Sponsors
Korean Skin Research Center
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: ? Female applicants aged 40 to 59 with skin wrinkles (Crow's feet, nasolabial, forehead) and hyperpigmentation. ? Applicants who have no hypersensitivity to vitamin C. ? Healthy applicants without acute and chronic physical diseases, including skin diseases. ? Applicants who have heard sufficient explanation about participation in the study, voluntarily prepared and signed a consent form for participation in the study. ? Applicants who can follow up during the study period.
Exclusion criteria
Exclusion criteria: ? Applicants who plan pregnancy or breastfeeding within 6 months. ? Applicants with skin diseases (severe inflammation, eczema, psoriasis, skin cancer, etc.), skin allergies, sensitivity, and irritable skin at the research site. ? Applicants who have been using antibacterial agents, immunosuppressants, steroid-containing skin external applications, and chronic skin disease treatments for more than one month to treat skin diseases in the research site. ? Applicants who participated in the same study less than 3 months later ? Supporting the use of cosmetics and medicines with the same or similar efficacy in the research site within 3 months before the start of the study. ? Applicants who received test site procedures (skin peeling, botox, other skin care, etc.) within 6 months before the start of the test. ? Applicants with chronic consumable diseases (abstract, diabetes, high blood pressure, etc.) ? Applicants taking contraceptives, antihistamines, and anti-inflammatory drugs. ? Applicants who are employees of this clinical research institute. ? Other applicants who are judged to be inappropriate by the judgment of the research manager.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Measurement of wrinkle | — |
Secondary
| Measure | Time frame |
|---|---|
| Measurement of Skin sagging;Measurement of pigmentation;Measurement of dermal density;Measurement of mechanical imprint (pressure) relief | — |
Countries
Korea, Republic of
Contacts
Public ContactTae Kyeong Ryu
Korean Skin Research Center
Outcome results
None listed