UMIN-CTR Clinical Trial
| Unique ID issued by UMIN | UMIN000059484 |
|---|---|
| Receipt number | R000068037 |
| Scientific Title | A study on the effects of essential oils on the hair and scalp of healthy women in their 40s |
| Date of disclosure of the study information | 2026/04/30 |
| Last modified on | 2025/10/21 12:04:20 |
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Basic information
Public title
A study on the effects of essential oils on the hair and scalp of healthy women in their 40s
Acronym
A study on the effects of essential oils on the hair and scalp of healthy women in their 40s
Scientific Title
A study on the effects of essential oils on the hair and scalp of healthy women in their 40s
Scientific Title:Acronym
A study on the effects of essential oils on the hair and scalp of healthy women in their 40s
Region
| Japan |
Condition
Condition
healthy women in their 40s
Classification by specialty
| Adult |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
To examine the psychological and physiological effects of essential oils on the scalp and hair
Basic objectives2
Efficacy
Basic objectives -Others
Trial characteristics_1
Exploratory
Trial characteristics_2
Developmental phase
Not applicable
Assessment
Primary outcomes
Water loss, single hair strength and hair diameter
Key secondary outcomes
Scalp: Oil content, Microscope observation
Hair: SEM
Psychological: VAS
Base
Study type
Interventional
Study design
Basic design
Single arm
Randomization
Non-randomized
Randomization unit
Blinding
Open -no one is blinded
Control
Uncontrolled
Stratification
NO
Dynamic allocation
NO
Institution consideration
Institution is not considered as adjustment factor.
Blocking
YES
Concealment
No need to know
Intervention
No. of arms
1
Purpose of intervention
Prevention
Type of intervention
| Other |
Interventions/Control_1
Essential oil
Interventions/Control_2
Interventions/Control_3
Interventions/Control_4
Interventions/Control_5
Interventions/Control_6
Interventions/Control_7
Interventions/Control_8
Interventions/Control_9
Interventions/Control_10
Eligibility
Age-lower limit
| 40 | years-old | <= |
Age-upper limit
| 49 | years-old | >= |
Gender
Female
Key inclusion criteria
-Healthy women in their 40s
-General subjects who have given informed consent to participate in this study
-Hair length of 15 cm or longer
Key exclusion criteria
- Have a scalp skin disorder
- Use steroid hormone medications or medicated cosmetics containing hair growth ingredients
- Have had head surgery
- Smoker
- Have had an allergic reaction to commercial fragrances or cosmetics
- Dislike the scent of rose, patchouli, or rosemary
- Pregnant or breastfeeding
- Have a perm or plan to have one during research
- Have bleached or dyed hair
- Alopecia
- Have menopausal symptoms
- Have malignant tumors, heart failure, liver damage, kidney damage, endocrine disorders, diabetes, nutritional disorders, alcoholism, or severe arrhythmia
Target sample size
20
Research contact person
Name of lead principal investigator
| 1st name | Takeshi |
| Middle name | |
| Last name | Yamakawa |
Organization
Japan Aroma Environment Association (Public Interest Incorporated Association)
Division name
Academic Research Division
Zip code
150-0001
Address
6-34-24 Jingumae, Shibuya-ku, Tokyo
TEL
03-6384-2861
research@aromakankyo.or.jp
Public contact
Name of contact person
| 1st name | Takeshi |
| Middle name | |
| Last name | Yamakawa |
Organization
Japan Aroma Environment Association (Public Interest Incorporated Association)
Division name
Academic Research Division
Zip code
150-0001
Address
6-34-24 Jingumae, Shibuya-ku, Tokyo
TEL
03-6384-2861
Homepage URL
research@aromakankyo.or.jp
Sponsor or person
Institute
Japan Aroma Environment Association (Public Interest Incorporated Association)
Institute
Department
Personal name
Takeshi Yamakawa
Funding Source
Organization
No
Organization
Division
Category of Funding Organization
Other
Nationality of Funding Organization
JAPAN
Other related organizations
Co-sponsor
Name of secondary funder(s)
IRB Contact (For public release)
Organization
AEAJ Research Ethics Committee
Address
6-34-24 Jingumae, Shibuya-ku, Tokyo
Tel
03-6384-2861
research@aromakankyo.or.jp
Secondary IDs
Secondary IDs
NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2
IND to MHLW
東京都
Institutions
Institutions
ＤＲＣ株式会社大阪検査会場（大阪府）
Other administrative information
Date of disclosure of the study information
| 2026 | Year | 04 | Month | 30 | Day |
Related information
URL releasing protocol
Publication of results
Unpublished
Result
URL related to results and publications
Number of participants that the trial has enrolled
Results
Results date posted
Results Delayed
Results Delay Reason
Date of the first journal publication of results
Baseline Characteristics
Participant flow
Adverse events
Outcome measures
Plan to share IPD
IPD sharing Plan description
Progress
Recruitment status
Preinitiation
Date of protocol fixation
| 2025 | Year | 10 | Month | 27 | Day |
Date of IRB
Anticipated trial start date
| 2025 | Year | 11 | Month | 16 | Day |
Last follow-up date
| 2026 | Year | 04 | Month | 06 | Day |
Date of closure to data entry
Date trial data considered complete
Date analysis concluded
Other
Other related information
Management information
Registered date
| 2025 | Year | 10 | Month | 21 | Day |
Last modified on
| 2025 | Year | 10 | Month | 21 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000068037
