ghk cu hair growth study topical copper peptide GHK-Cu for growthโฆ does it actually work?๐ค Short answer: no. GHK-Cu can be great for skin โ but when it comes to hair growth, the evidence just isn't there. And this GHK-Cu peptide for hair: the
Description
The peptide is not listed as a controlled substance, meaning possession itself is not criminalized in the way that scheduled drugs would be

& Mak, T

References 1.Yagi M., Yonei Y

Aswad, D
