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Study on Carotenoid-Based Instrumental Index

NCT07198503 · Status: RECRUITING · Type: OBSERVATIONAL · Enrollment: 600

Last updated 2025-09-30

No results posted yet for this study

Summary

Nu Skin (China) Daily-Use\&Health Products Co.,Ltd. has developed biophotonic scanners based on Raman spectroscopy, which measures skin carotenoid levels through hand skin scanning. In this study, the new Prysm device, which adopts new technology in a lower cost and more portable form, was used to measure skin carotenoid levels in a population, and the relationships between these levels and dietary habits and lifestyle factors were analyzed. The collected data included basic demographic information such as age, gender, smoking status, use of health products or nutritional supplements, and exercise habits, as well as physiological indicators such as BMI and body fat percentage. Subjective assessments were also obtained, including questionnaires on diet, skin condition, physical health, lifestyle, psychological status, and memory performance, alongside skin image analyses capturing parameters such as ITA°, L\*, a\*, b\*, glossiness, erythema, and pigmentation.

Conditions

  • Skin Carotenoid Status

Sponsors & Collaborators

  • Nu Skin Enterprises

    collaborator INDUSTRY

  • ChinaNorm

    lead INDUSTRY

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2025-09-06
Primary Completion
2025-10-16
Completion
2025-10-16

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07198503 on ClinicalTrials.gov