ghk-cu hair regrowth study for growthβ¦ does it actually work?π€ Short answer: no. GHK-Cu can be great for skin β but when it comes to hair growth, the evidence just isn't there. And this ghk-cu hair growth topical study
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It's a demanding standard, but it's the one that science requires

Strm, S., Holm, F., Bergstrm, R., Strmberg, A.-M

Usatyuk PV, Fu P, Mohan V, Epshtein Y, Jacobson JR, Gomez-Cambronero J, et al

doi: 10.1016/j.atherosclerosis.2008.09.015
