ghk-cu human trials hair growth 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 The MIRACLE Peptides To Regrow
Description
Using incompletely dissolved preparations leads to inaccurate concentration estimates and poor experimental reproducibility

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Medical history, medications, symptoms, and risk factors can change the benefit-risk discussion

Never inject in the same spot twice in a row

The subcutaneous injection of coformulation 19, comprising trehalose, resulted in two events of mild necrosis (a score of 3)
