does ghk cu increase hair growth GHK-Cu Scalp Solution Peptide Labz, Copper Peptide Hair

It has several causes

Long R3-IGF-1: Supporting Muscle Growth and Repair Long R3-IGF-1, an insulin-like growth factor 1 (IGF-1) variant, supports muscle growth and repair

doi:10.1016/b978-0-12-387042-1.00005-8 Jieru P, Zhang S, Cai L, et al

Using simple sterile water is an option, but the solution will have a much shorter shelf life as theres no agent to prevent contamination

That is not a fringe concern it is the explicit worry of experienced former FDA officials who have spent careers building the evaluation standards that protect patients

If you stop the therapy, your body will gradually return to its previous baseline of natural growth hormone production