Adult
Conditions
Interventions
test foods containing royal jelly Intake:300 mg Ingesion:28day
placebo Ingesion:28day
Sponsors
Yamada Bee Company, Inc.
Department of Pharmacokinetics and Biopharmaceutics, Institute of Health Bioscience, Tokushima University
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: Target subjects must satisfy the following selection criteria. 1. Healthy Japanese women aged more than 20 years and lsee than 59 years at the time of giving informed consent. 2. Subjects who understands that clinical visits are mandatory during clinical study period. 3. Subjects who has freely given consent and has understood the purpose of the study.
Exclusion criteria
Exclusion criteria: The subjects in conflict with any of the following condition are excluded. 1. Subjects who have current or history of food allergies or asthma. 2. Subjects who had participated in other clinical trials such as application tests of other hair growth agents / cosmetics and drinking tests of beauty foods within the last 4 weeks prior to the current study. 3. Subjects who cannot stop taking RJ-containing foods during the test period 4. Subjects who have trauma or inflammation on the scalp. 5. Subjects with atopic dermatitis and chronic skin diseases. 6. Subjects who are using hair growth agents and hair growth agents. 7. Subjects in pregnancy or in nursing. 8. Subjects who have received "hormone replacement therapy" or taken oral contraceptives within 1 year 9. Subjects with an average hair diameter of 0.06 mm or less 10. Subjects who plan to perform care other than hair care in daily life and hair dyeing / bleaching during the test period. 11. Subjects who are judged as unsuitable for the current study by the investigator for other reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| We confirm effectiveness by measuring hair strength. (Measuring before and 4week after intake of test food.). | — |
Secondary
| Measure | Time frame |
|---|---|
| Hair diameter Amount of active sulfur in hair Hair and pore score Questionnaire | — |
Countries
Japan
Contacts
Public ContactHayate Itatani
Yamada Bee Company, Inc. Functional lngredient research section, Institute for Bee Products & Health Science, R&D department
Outcome results
None listed