ghk-cu hair growth human study randomized Does it work? Maneup serum : r/tressless Hair Tonic with GHK GHK-Cu Copper Peptides: 50 Years
Description
Compared to placebo, B-vitamin supplementation in these older subjects also improved a measure of executive function, a secondary outcome of the trial (93)

Copper peptide concerns particularly manifest through color shifts as the copper coordination changes
It directly scavenges free radicals

works to tighten the scalp pores
