ghk-cu what is it and what does it do Truth Guy Anti-Aging Copper Peptide Serum for Skin & Hair Growth, with Carbon-60 for Fuller Hair, Beard Lashes GHK-Cu isn't a trend. It's

(7) Tianqi Liu, Ying Liu, Xiaoyu Zhao, Liguo Zhang, Wei Wang, De Bai, Ya Liao, Zhenyuan Wang, Mi Wang, Jiaheng Zhang, Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application, Bioactive Materials, Volume 32, 2024, Pages 502-513 (8) Malinda KM, Sidhu GS, Mani H, Banaudha K, Maheshwari RK, Goldstein AL, Kleinman HK

These figures are not extrapolated from a human trial (there isnt one) and they are not scaled from the mouse papers

(5) L Pickart, J Michelle Vasquez-Soltero, and A Margolina (2015) GHK-Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes Cosmetics, July 2015, Volume 2 (Issue 3), Pages 236-247

The circadian sleep connection is mechanistically coherent

Individual experiences vary significantly