Study to verify the effect of continuous consumption of the test food on improving skin condition

Study to verify the effect of continuous intake of test foods on skin condition: single group open study - Skin condition improvement efficacy validation study: single group open study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000049095

Enrollment

Registered

2022-10-05

Start date

2022-10-06

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 adults

Interventions

Consume the test food once a day after dinner with water or lukewarm water for 6 weeks.

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1. Japanese nationals 2. healthy women over 40 and under 65 years of age 3. who are concerned about dark circles under the eyes

Exclusion criteria

Exclusion criteria: 1. Persons with skin diseases such as atopic dermatitis, contact dermatitis or skin hypersensitivity 2. Persons taking medication or applying medication externally to the study site that is thought to affect the study within 2 weeks of the start of the study 3. Persons with scars or sunburn at the test site that would interfere with the determination 4. Persons with a history of treatment for malignancy, heart failure or myocardial infarction 5. Persons under treatment for the following chronic diseases Atrial fibrillation, arrhythmia, liver disorders, renal disorders, cerebrovascular disorders, rheumatism, diabetes, dyslipidaemia, hypertension and other chronic diseases 6. Persons who regularly use pharmaceuticals (including herbal medicines), foods for specified health uses, functional foods, health foods and supplements 7. Persons with allergies (to medicines and test food related foods) 8. Persons who are pregnant, lactating or intend to become pregnant during the study period 9. Persons who are participating in a human trial at the start of the study or who are expected to participate in another human trial during the planned duration of the study 10. Any other person who is deemed by the investigator to be unsuitable for the study

Design outcomes

Primary

Measure	Time frame
Skin lightness, hue, saturation	—

Secondary

Measure	Time frame
Dark circles status score, skin condition questionnaire, stratum corneum moisture content, skin viscoelasticity (R2, R5, R7), skin texture	—

Countries

Japan

Contacts

Public ContactMasao Matsuoka

M&I Science CORP. Clinical Development Department

m.matsuoka@mis21.co.jp06-7878-6780

Outcome results

None listed

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