Comparing changes in skin moisture content caused by mask wearing habits due to continuous intake of collagen polypeptide foods derived from fish scales

Comparing changes in skin moisture content caused by mask wearing habits due to continuous intake of collagen polypeptide foods derived from fish scales : single blinded study - Comparing changes in skin moisture content caused by mask wearing habits due to continuous intake of collagen polypeptide foods derived from fish scales

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000044796

Enrollment

Registered

2021-07-09

Start date

2021-07-09

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 adult female

Interventions

Take the test article once a day for 4 weeks Life as usual

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1.Subjects who wear masks on a daily basis 2.Subjects who are aware of dry skin 3.Subjects who have come to use masks regularly and feel dry around their cheeks and mouth

Exclusion criteria

Exclusion criteria: 1. Subjects with food allergies 2. Subjects who are pregnant or lactating 3. Subjects with inflamed or scraped skin on face 4. Subjects who are judged as unsuitable for the study by the investigator for the other reason

Design outcomes

Primary

Measure	Time frame
moisture content	—

Countries

Japan

Contacts

Public ContactTakeshi Kaneko

Japan Clinical Trial Association N.A.

info@yakujihou.org0364574666

Outcome results

None listed

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