High-Resolution Dermal Ultrasound scan (IMAGE) Yuvan Research Inc. Caption High-Resolution Dermal Ultrasound scan of one of the clinical trial volunteers comparing the initial skin to 3 months of the GHK-Cu gel use. The brighter the image, the higher the collagen density. Credit © 2023 Yuvan Research Inc. Usage Restrictions © 2023 Yuvan Research Inc. License Original content 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.