It also cut down on damage and oxidative stress in people with uncontrolled diabetes, even though their sugar levels were high
6 Wound Care One open label dose finding study on GHK-Cu in patients with diabetic ulcers compared 0.03%, 0.3%, and 3% GHK-Cu injection to saline for patients with diabetic ulcers over a 15-day period
Wang, X., Liu, B., Xu, Q., Sun, H., Shi, M., Wang, D., Guo, M., Yu, J., Zhao, C., & Feng, B

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Topical application may help replenish this to support a healthier follicular environment and less comedone-promoting sebum