Vitamin c: a new way to brighten your smile?
NCT ID NCT07513727
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether vitamin C can lighten dark gums caused by excess melanin. Thirty adults with dark gums will receive vitamin C as a gel, through tiny needles (microneedling), or as injections (mesotherapy). Researchers will measure color changes and look at gum tissue under a microscope to see if the treatment works.
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 (L-Ascorbic Acid)
- What this could lead to
- If it works, this could offer a simple, non-surgical way to lighten dark gums using vitamin C, improving smile aesthetics.
- What could go wrong
- This is a small, early-stage trial with only 30 people. Results may not apply to everyone, and the effect might be modest or temporary.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Al-Azhar University Faculty of Dentistry ( Girls )
RECRUITINGCairo, Cario Governorate, 11651, Egypt
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