Can a daily sachet give you brighter skin? new trial seeks answers
NCT ID NCT07379216
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is testing whether a liquid supplement containing vitamin C and glutathione can improve skin tone, reduce spots, and boost hydration. Thirty healthy adults will take one sachet daily for 12 weeks. Researchers will measure changes in skin color, visible and UV spots, and moisture levels.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Vitamin C and Glutathione Liquid Sachet
- What this could lead to
- If it works, this could point toward a simple supplement for improving skin tone and reducing spots.
- What could go wrong
- This is a small, early-phase trial with only 30 people, so results may not apply widely. It's testing a dietary supplement, not a drug, so effects are likely modest.
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
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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
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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2026
- Expected to finish
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Jun 2026
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Healthy male or female adults, aged 18-65 years old; * Commitment not to use products having activity comparable with that of the product to be tested during the study period; * Free of any dermatological or systemic disorder that would interfere with results. Exclusion Criteria: * Subject with obvious skin surface damage; * Subject who had oral or topical medication which may affect skin condition within 1 month; * Individuals with known allergies to cosmetics, medications, or foods (especially those allergic to legumes/soy); * Pregnant or breastfeeding individuals; * Received facial laser therapy, chemical peeling in the past 2 months. * Individuals unwilling to allow publication or public disclosure of photographs taken as part of the study results
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Chia Nan University of Pharmacy & Science
RECRUITINGPingtung City, 928, Taiwan
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