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Observational Study on Skin Tone Classification System for the Chinese Population: Standard Formulation and Atlas Construction

Observational Study on Skin Tone Classification System for the Chinese Population: Standard Formulation and Atlas Construction

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500115023
Enrollment
Unknown
Registered
2025-12-22
Start date
2025-12-31
Completion date
Unknown
Last updated
2026-01-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None

Interventions

Observation group:None

Sponsors

Dematology Hospital of Southern Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Healthy females/males aged 18 years and above (including 18 years old); 2.Having lived in the local test area for more than 5 years (not limited to cities);

Exclusion criteria

Exclusion criteria: 1.Pregnant or lactating women (confirmed by verbal inquiry); 2.Those with facial scars, pigmentation, atrophy, port-wine stains, other blemishes, tattoos, etc. 3.Those with facial skin diseases; 4.Those who have used hormonal drugs or immunosuppressants in the past month;

Design outcomes

Primary

MeasureTime frame
Data of facial skin characteristics;—

Secondary

MeasureTime frame
Basic Information of the Research Subjects;—

Countries

China

Contacts

Public ContactYe Li

Dematology Hospital of Southern Medical University

dlpfbyy@163.com+86 20 83028375

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026