ghk-cu hair growth clinical study humans Copper Peptides for Hair Growth:
Description
Prescription medications have reviewed labeling, dosing instructions, adverse-event reporting, manufacturing oversight, and clinician supervision

In short, AOD 9604 does not affect growth hormone receptors, this has no effect on growth, insulin levels, or lean muscle mass changes

Some pharmacies also make it to help patients during shortages, so they can still get their medication
As your symptoms improve, you might only need them every couple of months