ghk-cu before and after reddit 5 week results : r/Biohackers Your experience with GHK-CU :

Its small molecular size allows it to penetrate intestinal epithelial cells directly, which is why it has attracted research interest as an orally deliverable gut-targeted compound

Interestingly, GHK alone appeared to produce a comparable stimulatory action, while copper(II) ions in isolation may indicate no such activity, suggesting the tripeptide moiety may be the primary active component, possibly reforming complexes with trace copper present in the culture medium

The GHK-Cu Rx Protocol from PlexusDx is a compounded copper-binding tripeptide prescribed by a licensed provider as a pharmacy-grade topical cream

This next-generation copper peptide sunscreen combines broad-spectrum UV defense with GHK-CU, a clinically studied skin-repair peptide, plus deep hydration from 5M HYASKIN Hyaluronic Acid Complex, all in one lightweight, non-greasy formula