GHK-Cu as a Cosmetic Ingredient: What Topical Serums Actually Are (and Are Not)
GHK-Cu is a cosmetic ingredient in topical serums rated safe by CIR. Learn how it differs from research peptides and what the science actually says.
What Is Ghkcu
Copper Tripeptide-1 vs GHK-Cu: Understanding the Ingredient Label
Copper tripeptide-1 and GHK-Cu refer to the same copper-bound peptide. Learn the naming differences, chemistry, and what to look for on cosmetic labels.