topical ghk-cu benefits for Anti-Aging: Does This Copper Peptide Really Work? Neurogan GHK-Cu Copper Peptide Hair
Description
Now, granted anecdotal stories, but definitely very interesting

Statements Author contributions EK: Conceptualization, Data curation, Formal Analysis, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing original draft, Writing review and editing
Whats Inside: POLYBCOM Injection Pack Contains 5 ampoules (1mL each)

The data is earlier-stage and most of the human work comes from outside the U.S

doi: 10.1210/er.2005-9998 52 VermeulenEDHaensJStadnikTUnuaneDBarbeKVan VelthovenVet al

Use within 2-4 weeks