Stimulation of collagen synthesis in fibroblast cultures by the tripeptide-copper complex GHK-Cu. Cell Biology International Reports
Read the GHK-Cu evidence guide
With proper use, these remarkable compounds can help you achieve the smoother, firmer, more radiant skin youre seeking while supporting your skins long-term health and resilience
A Nature Scientific Reports 2016 study showed GHK-Cu had no cytotoxicity to human keratinocytes at concentrations up to 5,800 M over 72 hours and did NOT induce inflammatory biomarkers (IL-1, IL-8, HSPA1A, FOSL1) unlike other copper compounds, concluding GHK-Cu has a low potential of inducing skin irritation
APX, ascorbate peroxidase
Collagen peptide powders are generally safe unless you have gout or chronic kidney disease, in which case you should consult a doctor