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Hair health breakthrough? keratin powder shows promise in 24-Week trial

NCT ID NCT07458828

Symptom relief Sponsor: Dong-A Pharmaceutical Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a daily keratin peptide powder drink in 120 adults with mild to moderate hair damage. Over 24 weeks, researchers measured changes in hair elasticity, shine, and thickness compared to a placebo. The goal was to see if the supplement could safely improve hair quality and scalp health.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

120 people

The number who actually took part.

Started

Jan 2024

Finished

Aug 2025

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

19 to 60 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Male or female, aged 19 to 60 years * Subjects with glossy scores between 1 and 3 points on the visual assessment classification and with a total hair damage score of less than 18 points based on exposure to risk factors * Subjects who will refrain from perms or hair coloring, excluding haircuts, during the clinical study period * Subjects who have agreed to participate in this clinical trial prior to its commencement and have signed the written informed consent form Exclusion Criteria: * Subjects with hair loss conditions such as androgenetic alopecia, alopecia areata, telogen effluvium, or cicatricial alopecia at Visit 1 * Subjects who have taken oral dutasteride or finasteride within 6 months prior to Visit 1 * Subjects who have consumed health functional foods (e.g., biotin) or general foods that may affect the human application study within 2 weeks prior to Visit 1 * Subjects who have applied topical steroid preparations to the scalp for one month prior to Visit 1 * Pregnancy or breastfeeding or planning pregnancy

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Hair damage Hair health Hair strength

Contacts and locations

Locations

  • Global Medical Research Center Co., Ltd.

    Seoul, South Korea

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Other studies related to the condition(s) this trial covers.