Skin made transparent through dye effect (IMAGE) U.S. National Science Foundation Caption Illustration of skin tissues rendered transparent following saturation by FD & C Yellow 5. Credit Keyi "Onyx" Li/U.S. National Science Foundation Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.