Topical GHK-Cu, Serums, Eye Creams, and Injectable GHK-Cu Topical GHK-Cu appears in published skin-care studies, wound-healing research, and clinical-trial protocols, while injectable GHK-Cu is treated differently by FDA compounding-risk materials [2], [7], [8]
Some say that, mixed properly in a saline solution, it stings less
Oxyntomodulin, a gut-derived peptide hormone, activates both the GLP-1R and the GCGR, although, with reduced affinity compared to GLP-1 and glucagon, respectively
--- ## Storage Rules After Reconstitution | Condition | Temperature | Maximum Duration | |-----------|-------------|-----------------| | Refrigerator (ideal) | 3646F (28C) | 28 days from reconstitution | | Room temperature (brief excursion) | Under 77F (25C) | 2 hours maximum | | Frozen | Below 32F | Never discard immediately | **Storage do's:** - Store in the original vial, upright - Keep in the refrigerator door shelf or middle shelf avoid the back where freezing can occur - Protect from light (store in original box or wrap in foil) - Remove from fridge just before drawing your dose