| Unique ID issued by UMIN | UMIN000063232 |
|---|---|
| Receipt number | R000072373 |
| Scientific Title | An Exploratory Comparative Study of Scalp and Hair Changes Following Continuous Shampoo Use |
| Date of disclosure of the study information | 2026/10/28 |
| Last modified on | 2026/10/09 15:30:21 |
An Exploratory Comparative Study of Scalp and Hair Changes Following Continuous Shampoo Use
An Exploratory Comparative Study of Scalp and Hair Changes Following Continuous Shampoo Use
An Exploratory Comparative Study of Scalp and Hair Changes Following Continuous Shampoo Use
An Exploratory Comparative Study of Scalp and Hair Changes Following Continuous Shampoo Use
| Japan |
Not applicable
| Not applicable | Adult |
Others
NO
To explore the effects of continuous use of two different shampoos on the scalp and hair.
Others
To compare and investigate how continuous use of two different shampoos affects the scalp and hair.
Not applicable
Percent change in scalp TEWL from baseline (Week 0) to Week 4
Interventional
Parallel
Randomized
Individual
Open -no one is blinded
Placebo
2
Treatment
| Other |
Use the test shampoo to wash the entire scalp and hair at least once daily for 4 weeks.
Use the control shampoo to wash the entire scalp and hair at least once daily for 4 weeks.
| 20 | years-old | <= |
| 59 | years-old | >= |
Female
1. Women aged 20-59 years.
2. Women who wash their hair with shampoo at least 6 times per week.
1. Persons who develop skin redness following exposure to ethanol.
2. Persons with abnormal skin conditions at the study site, such as atopic dermatitis or seborrheic dermatitis.
3. Persons who have undergone chemical hair treatments (e.g., hair coloring, bleaching, or perming) within 2 weeks prior to the start of the study period.
4. Persons who are already participating in another study at the time of informed consent or who plan to participate in another study during the study period.
5. Persons deemed unsuitable for participation in the study by the principal investigator due to noncompliance with study requirements or for other reasons.
24
| 1st name | Katsuyuki |
| Middle name | |
| Last name | Yuki |
Kao Corporation
Hair Beauty Research Lab.
131-8501
2-1-3, Bunka, Sumida-ku, Tokyo, 131-8501, JAPAN
+81-3-5630-9395
yuki.katsuyuki@kao.com
| 1st name | Tamaki |
| Middle name | |
| Last name | Hirano |
Kao Corporation
Hair Beauty Research Lab.
131-8501
2-1-3, Bunka, Sumida-ku, Tokyo, 131-8501, JAPAN
+81-3-5630-9395
hirano.tamaki@kao.com
Kao Corporation
Kao Corporation
Profit organization
Human Research Ethics Committee, Kao Corporation
2-1-3 Bunka, Sumida-ku, Tokyo 131-8501, JAPAN
+81-70-3300-8553
watanabe.takuya@kao.com
NO
| 2026 | Year | 10 | Month | 28 | Day |
Unpublished
Preinitiation
| 2026 | Year | 10 | Month | 05 | Day |
| 2026 | Year | 10 | Month | 05 | Day |
| 2026 | Year | 10 | Month | 28 | Day |
| 2027 | Year | 09 | Month | 30 | Day |
| 2026 | Year | 10 | Month | 09 | Day |
| 2026 | Year | 10 | Month | 09 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000072373