A verification study of effectiveness to skin condition of women by oral consumption of the food which contain black tea fragrance.

A verification study of effectiveness to skin condition of women by oral consumption of the food which contain black tea fragrance. - Study of effectiveness to skin condition of women by consumption of the black tea fragrance containing food.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000035937

Enrollment

Registered

2019-02-22

Start date

2019-02-22

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

None listed

Interventions

During in first period, intake one tablet of test food at once, four times a day for three weeks. And during in second period, intake one tablet of control food at once, four times a day for three wee

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: (1) Females aged 25 to 39 years old. (2) Subjects who recognize stress and dryness of their skin as subjective symptoms. (3) Subjects who use more than two kind of cosmetics in order to skin care on a daily basis. (4) Subjects who show understanding of the clinical study procedures and agreement with participating the study by written informed consent.

Exclusion criteria

Exclusion criteria: (1) Subjects who are currently receiving medication due to treatment of disease. (2) Subjects who have smoking habit. (3) Subjects who are treated hormone therapy. (4) Subjects who have symptom of rhinitis during test period. (5) Subjects who consume medicines, foods for specified health use, functional foods, supplements and/or health foods which may affect their skin quality more than three times a week. (6) Subjects who plan to go long travel during test period. (7) Subjects who can't do UV care when they go out during test period. (8) Subjects who are cold-sensitive constitution. (including subjects like that who feel cold on their hands and foots even in summer) (9) Subjects who have symptom of dermatologic disease such as atopic dermatitis. (10) Subjects who have undergone surgery on investigation objective portion within the past 6 months. (11) Subjects who are participating the other clinical tests of medicines or foods. Subjects who participated other clinical tests of medicines or foods within a month prior to the current study. (12) Subjects who themselves and/or their family are working for a company that develops, manufactures or sells health / functional foods and cosmetics. (13) Subjects who dislike black tea fragrance. (14) Pregnant or expected pregnant, or lactating women. (15) Others who have been determined ineligible by investigator.

Design outcomes

Primary

Measure	Time frame
Moisture content of Stratum Corneum Transepidermal Water Loss(TEWL) Viscoelasticity of the skin Skin color VISIA's indicators(pores, spots, wrinkles, texture, red areas, UV spots, porphyrins, brown spots) Blood flow Skin temperature Brain stress Stabilometry Questionnaire *Vascular age	—

Secondary

Measure	Time frame
* Incidence of adverse events * Incidence of side effects	—

Countries

Japan

Contacts

Public ContactMiyuki Fujishiro

COSMOS TECHNICAL CENTER CO.,LTD. Department of Efficacy and Safety Evaluation

fujishiro@ns-cosmos.co.jp03-3966-7755

Outcome results