OPTICAL IMAGING

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Trials to join now! 1 Not yet finished but already full! 1

Food dye could turn skin transparent, but study never started

Knowledge-focused Terminated

This study was designed to test if tartrazine, a common yellow food dye, could be rubbed on the skin to make it temporarily transparent. Researchers planned to apply different doses to healthy volunteers and take pictures to see if they could better see blood vessels and other st…

Matched conditions: OPTICAL IMAGING

Phase: EARLY_PHASE1 • Sponsor: Johns Hopkins University • Aim: Knowledge-focused

Last updated Apr 29, 2026 05:28 UTC

OPTICAL IMAGING

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Food dye could turn skin transparent, but study never started