Even getting on to the 503A compounding list, that isnt a requirement. But the panelists who voted yes, most of whom had ties to the peptide industry and were appointed by the Health and Human Services Department, saw things differently
doi:10.1080/17474124.2023.2204229
GHK-Cu peptide protocols vary based on skin concern, clinical history, and individual response
In published preclinical and mechanistic research contexts, AHK-Cu has been studied for its role in cell signaling pathways associated with fibroblast activity, dermal papilla cell behavior, collagen-related gene expression, angiogenic signaling, oxidative stress response, and tissue remodeling mechanisms
Blood-retinal barrier structure and function Inner barrier (retinal vascular endothelium): Tight junctions between endothelial cells controlling passage from blood into retina