| Unique ID issued by UMIN | UMIN000062048 |
|---|---|
| Receipt number | R000070992 |
| Scientific Title | Parallel group comparison study of two hair tonics |
| Date of disclosure of the study information | 2026/07/01 |
| Last modified on | 2026/06/24 17:42:43 |
Study of hair growth efficacy applying hair tonic
Study of hair growth efficacy
Parallel group comparison study of two hair tonics
Parallel group comparison study of two hair tonics
| Japan |
Adult
| Adult |
Others
NO
Verify the hair growth efficacy of hair tonic B
Efficacy
Confirmatory
Hair density of hair tonic B application
hair diameter, hair elongation, anagen hair ratio, terminal hair ratio, stratum corneum hydration, thickness of dermis, subjective evaluation
Interventional
Parallel
Randomized
Individual
Single blind -participants are blinded
Active
2
Prevention
| Other |
Apply hair tonic A twice a day for 24 weeks
Apply hair tonic B twice a day for 24 weeks
| 30 | years-old | <= |
| 69 | years-old | >= |
Female
1) Participants who have indicated their intention to participate in the study, understand the explanations given, and have obtained informed consent.
2) Healthy Japanese females between the ages of 30 and 69 who have not violated the exclusion criteria.
3) Participants with feelings of thinning hair and hair loss.
4) Participants who can fill out consent forms, questionnaires, and use a diary.
1) Participants with pathological hair loss such as alopecia areata.
2) Have a scalp disorder other than alopecia (eczema, psoriasis, tinea capitis, or other scalp infections).
3) Participants with underactive or abnormal thyroid function.
4) Participants with atopic dermatitis.
5) Participants with sun sensitivity.
6) Participants who have ever experienced hypersensitivity to hair restorers, shampoos, or other external medicines.
7) Participants who have experienced hypersensitivity to rubbing alcohol, hair growth products, or other cosmetics containing alcohol.
8) Pregnant, lactating, or intending to become pregnant.
9) Received hormone replacement therapy within the past year or are taking oral contraceptives.
10) Received radiation therapy to the head or cancer chemotherapy treatment within the past 6 months.
11) Participants undergoing hair transplantation or hair extension treatment.
12) Participants who have used medicinal hair-growth agents (minoxidil, carpronium chloride, etc.) or quasi-drugs for hair growth within the past 6 months.
13) Participants who habitually apply or ingest other topical or oral medications, or dietary supplements that may affect the scalp or hair.
14) Participants with a remarkably high percentage of gray hair on the head.
15) Participants who wear hats, helmets, wigs, etc., during the examination period.
16) Participants who consume excessive amounts of alcohol.
17) Participants with a history of serious hepatic, renal, cardiac disease, circulatory system disease, or psychiatric disease.
18) Participants who have a family member who works for a pharmaceutical or cosmetics company.
19) Participants who are currently participating or have participated within the past 3 months in clinical trials, usage surveys, or product monitoring related to cosmetics and pharmaceuticals.
20) Other Participants deemed ineligible for this study by the principal investigator.
60
| 1st name | Shogo |
| Middle name | |
| Last name | Jindo |
Yamada Bee Company, Inc.
Apitherapy Cosmetics department
708-0393
194 Ichiba, Kagamino-cho, Tomata-gun, Okayama, Japan
03-6424-8434
sj1383@yamada-bee.com
| 1st name | Ryo |
| Middle name | |
| Last name | Takahashi |
Yamada Bee Company, Inc.
Yamada Bee Company Group Institute for Beauty Science, R&D department
144-0055
#406 Innoba Ota., 4-32-6 Nakarokugou, Ota-ku, Tokyo, Japan
03-6424-8434
rt2067@yamada-bee.com
Yamada Bee Company, Inc.
None
Self funding
General Incorporated Association Clinical Research Review Center
2972-8-603 Ishikawamachi, Hachioji-shi, Tokyo, Japan
090-3547-6398
crrctakashima@kpd.biglobe.ne.jp
NO
| 2026 | Year | 07 | Month | 01 | Day |
Unpublished
Preinitiation
| 2026 | Year | 06 | Month | 03 | Day |
| 2026 | Year | 06 | Month | 10 | Day |
| 2026 | Year | 07 | Month | 08 | Day |
| 2027 | Year | 01 | Month | 24 | Day |
| 2026 | Year | 06 | Month | 24 | Day |
| 2026 | Year | 06 | Month | 24 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000070992