Improve firmness, making wrinkles appear less pronounced
Du Feng, Guangzhou Medical University, China Updates Copyright 2021 Hu, Li and Zhang
In high-dose groups, researchers observed manageable but measurable proximal tubule lesions
29 There is also a lack of data on the long-term benefit of oral therapy when patients do not take daily doses
A Nature Scientific Reports 2016 study showed GHK-Cu had no cytotoxicity to human keratinocytes at concentrations up to 5,800 M over 72 hours and did NOT induce inflammatory biomarkers (IL-1, IL-8, HSPA1A, FOSL1) unlike other copper compounds, concluding GHK-Cu has a low potential of inducing skin irritation
Cell extracts were added to 0.1 M potassium phosphate buffer pH 6.5, containing 1 mM EDTA, 2 mM GSH and 1 mM 1-chloro-2,4-dinitrobenzene