copper peptide ghk-cu hair growth evidence clinical trial 10% GHK-CU, 5% AHK-CU peptides Treatment Serum ✨ More than hair —
Description
its purpose is to reduce friction
Add 1.5 ml, and you get 30/1.5 = 20 mg/ml

I was advised not to get the second dose but to get the J&J

Insulin-Like Growth Factor-1 (IGF-1) and Its Monitoring in Medical Diagnostic and in Sports

doi: 10.2337/dc13-1672

That doesn't mean people never report weight changes
