where to inject ghk cu ghk-cu injection site recommendations subcutaneous Subcutaneous Injection Sites and Instructions for Safe Self-Administration Injectable Peptides for Anti-Aging? A

The deltoid cannot be used if that area is very thin or underused

Studies report enhanced angiogenesis (blood vessel formation), accelerated granulation tissue formation, and improved wound closure rates in experimental models

If the target is systemic connective tissue repair rather than surface-level skin remodeling, injectable GHK-Cu is required, and the evidence base for systemic injectable GHK-Cu in humans is much thinner than the robust topical and in vitro data

This is especially important since some products may contain substances like antimicrobial peptides or other compounds that could affect your body fat or lead to unintended consequences