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Long-term continuous use testing

Skin barrier function recovery confirmation test - Skin barrier function recovery test

Status
Active, not recruiting
Phases
Unknown
Study type
Unknown
Source
JPRN
Registry ID
JPRN-UMIN000050142
Enrollment
20
Registered
2023-05-31
Start date
2023-02-02
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 person

Interventions

None listed

Sponsors

Other
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: Recruit 40 candidates, measure stratum corneum water content and TEWL, and select 20 subjects with the lowest stratum corneum water content/TEWL values.

Exclusion criteria

Exclusion criteria: Persons who are deemed by the investigator (or the study investigator) to be unsuitable to participate in the study.

Design outcomes

Primary

MeasureTime frame
The effects on skin stratum corneum water content, TEWL, wrinkle area ratio at the corner of the eyes by replica collection, mean total wrinkle depth, mean maximum wrinkle depth, and maximum wrinkle depth will be examined by comparing the same subjects at the start of test product 1 or test product 2 application (0 weeks) with 4, 8 and 12 weeks later.—

Countries

Japan

Contacts

Public ContactHisae Aoshima

Vitamin C60 BioResearch Corporation Department of Research and Development

hisae.aoshima@vc60.com+81-3-3517-3253

Outcome results

None listed

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