Research of the daily variations in skin characteristics of Japanese females under the environment in Japan

Research of the daily variations in skin characteristics of Japanese females under the environment in Japan - Research of the daily variations in skin characteristics of Japanese females under the environment in Japan

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000045881

Enrollment

Registered

2021-11-15

Start date

2021-11-15

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 females

Interventions

The room temperature 25 degree and relative humidity 60% from 10am on day1 to 10am on day2, and then the room temperature 20-22 degree and relative humidity 40% at 12am on day2.

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: People who have regular menstrual cycle. People who don't have any cutaneous diseases.

Exclusion criteria

Exclusion criteria: People with mental or physical disorders as determined by the Cornell Medical Index. Extremely Morningness-type or Extremely Eveningness-type determined by Morningness-Eveningness questionnaire. People with sleep disorders as determined by Pittsburgh sleep quality index.

Design outcomes

Primary

Measure	Time frame
The daily variation of skin parameters.	—

Secondary

Measure	Time frame
The comparison of skin parameters under the two different environment.	—

Countries

Japan

Contacts

Public ContactTomoko Wakamura

Kyoto University Human Health Sciences, Graduate School of Medicine

wakamura.tomoko.5v@kyoto-u.ac.jp81-75-751-3974

Outcome results

None listed

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