The study to evaluate the efficacy of hair growth by royal jelly lotion application

UMIN ID: UMIN000055983

Registered date:18/11/2024

Basic Information

• Recruitment status: Pending
• Health condition(s) or Problem(s) studied: Healthy adult
• Date of first enrollment: 2024/12/14
• Target sample size: 70
• Countries of recruitment: Japan
• Study type: Interventional

Intervention(s)

Apply test cosmetics to the scalp during 12 weeks.
Apply placebo cosmetics to the scalp during 12 weeks.

Outcome(s)

• Primary Outcome: Total hair count after 12 weeks application
• Secondary Outcome: Hair thickness after 12 weeks application Hair length after 12 weeks application Ratio anagen hairs after 12 weeks application Ratio terminal hairs after 12 weeks application Hydration level of scalp after 12 weeks application FPHL-SI after 12 weeks application Hair diagnosis after 12 weeks application Hair gloss after 12 weeks application Subjective evaluation after 12 weeks application

Key inclusion & exclusion criteria

• Age minimum: 30years-old
• Age maximum: 69years-old
• Gender: Male and Female
• Exclude criteria: 1) Patients with pathological hair loss such as alopecia areata and androgenetic alopecia. 2) Have a scalp disorder other than alopecia (eczema, psoriasis, tinea capitis, or other scalp infections). 3) Persons with underactive or abnormal thyroid function. 4) Persons with atopic dermatitis. 5) Persons with sun sensitivity. 6) Have ever experienced hypersensitivity to hair restorers, shampoos, or other external medicines. 7) Persons 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) Persons undergoing hair transplantation or hair extension treatment. 12) Those who have used medicinal hair-growth agents (finasteride, minoxidil, carpronium chloride, etc.) or quasi-drugs for hair growth within the past 6 months. 13) Persons who habitually apply or ingest other topical or oral medications, or dietary supplements that may affect the scalp or hair. 14) Persons with a remarkably high percentage of gray hair on the head. 15) Persons who wear hats, helmets, wigs, etc. during the examination period. 16) Persons who consume excessive amounts of alcohol. 17) Persons with a history of serious hepatic, renal, cardiac disease, circulatory system disease, or psychiatric disease. 18) Have a family who works for a pharmaceutical or cosmetics company. 19) Persons 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 subjects deemed ineligible for this study by the principal investigator.

Related Information

• Primary Sponsor: Yamada Bee Company, Inc.
• Source(s) of Monetary Support: Yamada Bee Company, Inc.