Analyses of the physical properties and the molecules in human healthy skins.

Analyses of the physical properties and the molecules in human healthy skins. - Analyses of the physical properties and the molecules in human healthy skins.

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000024774

Enrollment

Registered

2016-11-09

Start date

2016-10-11

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

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Panelists with healthy faces who are 20-59 years old. 2.Panelists who do not have skin troubles and diseases. 3.Panelists who have normal weight (BMI: Between 18.5 and 25.0) 4.Panelists who agree to have their typical daily routines.

Exclusion criteria

Exclusion criteria: 1.Panelists who have some skin troubles and diseases. 2.Panelists who used the antibiotics in the last 2 weeks. 3.Panelists who have undergone some beauty treatments on their faces. 4.Panelists who receive the cares from a doctor or dermatologist for their facial skin issues. 5.Panelists who have started any types of estrogen or hormone therapies. 6.Panelists who smoke. 7.Panelists who are pregnant or breastfeeding. 8.Panelists participating in, or scheduled to participate in, another study during the study period.

Design outcomes

Primary

Measure	Time frame
The relationship between sebum content and gene expressions.	—

Secondary

Measure	Time frame
The relationships between sebum content, color, moisture, pH in skin and gene expressions, proteins, concentration of hormones.	—

Countries

Japan

Contacts

Public ContactTakayoshi Inoue

Kao Corporation R&D -Core Technology- Biological Science Research

inoue.takayoshi@kao.co.jp0285-68-7498

Outcome results