Scientists test two methods to make skin red on purpose

NCT ID NCT07179263

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested two methods—applying a strong acid or repeatedly sticking and removing tape—to cause skin redness in 44 healthy women. Researchers measured how red the skin got and how long the redness lasted. The goal was to find a reliable way to create redness for future skin irritation studies.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
50% glycolic acid
What this could lead to
If successful, this could help researchers develop better ways to test skin irritation treatments.
What could go wrong
This is a small, early-stage study in healthy volunteers, not a treatment trial. The methods may not work the same in people with skin conditions.

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Conditions

The condition(s) this trial relates to.

Erythema

As listed by the trial registrant

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

Contacts and locations

Locations

  • Shanghai China-norm Quality Technical Service Co., Ltd.

    Shanghai, Shanghai Municipality, 200072, China

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