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A study on the effects of essential oils on the hair and scalp of healthy women in their 40s

A study on the effects of essential oils on the hair and scalp of healthy women in their 40s - A study on the effects of essential oils on the hair and scalp of healthy women in their 40s

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000059484
Enrollment
20
Registered
2026-04-30
Start date
2025-11-16
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

healthy women in their 40s

Interventions

Essential oil

Sponsors

Japan Aroma Environment Association (Public Interest Incorporated Association)
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

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

Exclusion criteria

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

Design outcomes

Primary

MeasureTime frame
Water loss, single hair strength and hair diameter—

Secondary

MeasureTime frame
Scalp: Oil content, Microscope observation Hair: SEM Psychological: VAS—

Countries

Japan

Contacts

Public ContactTakeshi Yamakawa

Japan Aroma Environment Association (Public Interest Incorporated Association) Academic Research Division

research@aromakankyo.or.jp03-6384-2861

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026