Healthy adults
Conditions
Interventions
We perform acetone ether and water treatment on the inner part of the forearm to create rough skin. Then, we create a few closed environments, then its inside is conditioning humidity for 3 hours.
Sponsors
Kao Corporation
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Healthy males and females
Exclusion criteria
Exclusion criteria: 1.Subjects with skin troubles or diseases on their face, especially such as atopic dermatitis, or psoriasis, or severe acne. 2.Subjects who have severe suntan in their faces. 3.Subjects who performs outdoor sport periodically. 4.Subjects who attend the hospital (such as gastrointestinal disease, liver disease, kidney disease, cardiovascular heart disease, skin disease, or poor physical condition). And, panelists for less than one month after attend the hospital. 5.Subjects who have taken a spa treatment (such as chemical peeling, or laser therapy) in the inner forearm region. 6.Subjects who are participating or plan to participate in other intervention tests (cosmetics, foods) in the inner forearm region during the test period. 7.Subjects who have experienced skin abnormalities (obvious erythema, edema, papules, blisters, etc.) by the tape striping and/or acetone ether and water treatment. 8.Subjects deemed inappropriate to participate in this study by the principle investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| water content, transepidermal water loss, surface texture, stratum corneum composition and sebum composition | — |
Secondary
| Measure | Time frame |
|---|---|
| sweat volume, sweat components, skin surface pH and skin surface temperature | — |
Countries
Japan
Contacts
Public ContactHiroki Taoka
Kao Corporation Biological Science Research
Outcome results
None listed