GHK-Cu is an approved and widely marketed skincare ingredient, and that is the domain where its reputation is earned
However, this therapeutic approach also brings side effects, such as -cell hyperplasia and hyperglucagonemia, and the mechanisms underlying these side effects remain elusive
It means you are buying a research-stage peptide product from a brand that describes its manufacturing and testing to documented standards, not an FDA-approved drug with decades of clinical trial data behind it
A typical example is the KLAKLAKKLAKLAK or (KLAKLAK)2 proapoptotic peptide, which was originally developed as an antimicrobial peptide
The epidemiology of burn wound infections: Then and now
When in doubt, pause all new products for a week and see how your skin responds