ghk-cu copper peptide topical hair growth clinical study for Growth: Before and After Results and Dosage Hair Tonic with GHK GHK-Cu Topical Serum: Benefits, Mechanism
Description
Yes, worked for my 50D

Some processed foods and dietary supplements contain RS4, but its clinical applications focus primarily on pharmaceutical formulations and specialized medical foods

As demonstrated by Qichun Zhang et al., it promotes autophagy by regulating autophagy markers such as LC3-II, Beclin-1, and p62

doi: 10.1038/s41598-017-18454-z
